Perfect Square
1671233668795244961 is a perfect square (1292762031 × 1292762031)
1671233668795244961 is a perfect square (1292762031 × 1292762031)
1671233668795244961 is odd
Previous odd number is 1671233668795244959
Next odd number is 1671233668795244963
1011100110001011010100010101011001101001101101010000110100001