when HAZRAT ALI died (the forth caliph of islam ) then the ummayad dynasty come in power in 661 .
110.1667
661 is prime.
Difference in opinions as to who the successor of Muhammad was.
The two sections of a shark are called the elasmobranchs.
3√661 ≈ 8.711
661 x 1
661 x 36 = 23796
661 miles is about 1063.78 kilometres.
The two sections of a frog's small intestine are the duodenum and the ileum.
The average of 545 and 777 is 661.
165.25