Perfect Square
1670861803215530809 is a perfect square (1292618197 × 1292618197)
1670861803215530809 is a perfect square (1292618197 × 1292618197)
1670861803215530809 is odd
Previous odd number is 1670861803215530807
Next odd number is 1670861803215530811
1011100110000000101111111010100011001011011100010101100111001