Perfect Square
16777215999999983616000000000004 is a perfect square (4095999999999998 × 4095999999999998)
16777215999999983616000000000004 is a perfect square (4095999999999998 × 4095999999999998)
11010011 11000010 00011011 11001110 11001100 11101101 01100110 11001010 11010110 10111100 00000000 00000000 00000100
16777215999999983616000000000004 is even
Previous even number is 16777215999999983616000000000002
Next even number is 16777215999999983616000000000006
4722366482869631378637944717853176498602639349004883722240004026531839999999213568000000000064
281474976710655450244186112000402653183999999868928000000000016