Perfect Square
667095664292970025 is a perfect square (816759245 × 816759245)
667095664292970025 is a perfect square (816759245 × 816759245)
667095664292970025 is odd
Previous odd number is 667095664292970023
Next odd number is 667095664292970027
1001 0100 0001 1111 1111 1111 1000 1110 0101 0110 0010 1011 1110 0010 1001