"Hexakosioihexekontahexaphobia" is a fear of the number 666, and is Biblical in its origins. There are questions as to weather hexakosioihexekontahexaphobia should actually be classified as a phobia because it is not an object or situation.
It is believed that this fear is more common than one would initially expect (it is similar to the fear of the number 13) but there is no way to tell you how many people suffer from it.
Hexakosioihexekontahexaphobia is a known phobia so it should be. PLus the word Hexakosioihexekontahexaphobia means is a fear of the number 666
how many people were affected
thousands of people are affected
Over 10000 people where affected by the tsunami.
3000000 people are affected
1 out of 4 people are affected
how many people are affected by MS (multiple sclerosis)
Most people in the world are affected by dust. (Affected = it influences them in some way)
85 people were affected by H1N1
All people on earth are affected by their environment.
Rohypnol is illegal in the United States, so it is hard to tell how many people are affected by it.
The fear of "666" is quite common, obviously, anything to do with the Devil, a lot of people have a fear of it.