Perfect Square
666162471000446289 is a perfect square (816187767 × 816187767)
666162471000446289 is a perfect square (816187767 × 816187767)
666162471000446289 is odd
Previous odd number is 666162471000446287
Next odd number is 666162471000446291
1001 0011 1110 1010 1111 0011 1100 1110 0110 1010 1101 1001 0101 0101 0001