Perfect Square
667095634889637529 is a perfect square (816759227 × 816759227)
667095634889637529 is a perfect square (816759227 × 816759227)
667095634889637529 is odd
Previous odd number is 667095634889637527
Next odd number is 667095634889637531
1001 0100 0001 1111 1111 1111 0010 0000 1100 1100 1111 0111 1110 1001 1001