1626116497 has 2 divisors, whose sum is σ = 1626116498. Its totient is φ = 1626116496.

The previous prime is 1626116483. The next prime is 1626116549. The reversal of 1626116497 is 7946116261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1122518016 + 503598481 = 33504^2 + 22441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1626116497 - 2⁷ = 1626116369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1626116407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813058248 + 813058249.

It is an arithmetic number, because the mean of its divisors is an integer number (813058249).

Almost surely, 2^1626116497 is an apocalyptic number.

It is an amenable number.

1626116497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1626116497 is an equidigital number, since it uses as much as digits as its factorization.

1626116497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 1626116497 is about 40325.1348044864. The cubic root of 1626116497 is about 1175.9365394608.

The spelling of 1626116497 in words is "one billion, six hundred twenty-six million, one hundred sixteen thousand, four hundred ninety-seven".