Perfect Square
667095654491859121 is a perfect square (816759239 × 816759239)
667095654491859121 is a perfect square (816759239 × 816759239)
667095654491859121 is odd
Previous odd number is 667095654491859119
Next odd number is 667095654491859123
1001 0100 0001 1111 1111 1111 0110 1001 1101 0011 0001 1010 1000 1011 0001