Perfect Square
999999992000000016 is a perfect square (999999996 × 999999996)
999999992000000016 is a perfect square (999999996 × 999999996)
999999992000000016 is even
Previous even number is 999999992000000014
Next even number is 999999992000000018
1101 1110 0000 1011 0110 1011 0001 1100 1010 1000 1101 1011 0000 0001 0000