90116224057 has 2 divisors, whose sum is σ = 90116224058. Its totient is φ = 90116224056.

The previous prime is 90116224019. The next prime is 90116224061. The reversal of 90116224057 is 75042261109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73449672256 + 16666551801 = 271016^2 + 129099^2 .

It is a cyclic number.

It is not a de Polignac number, because 90116224057 - 2⁷ = 90116223929 is a prime.

It is not a weakly prime, because it can be changed into another prime (90116225057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45058112028 + 45058112029.

It is an arithmetic number, because the mean of its divisors is an integer number (45058112029).

Almost surely, 2^90116224057 is an apocalyptic number.

It is an amenable number.

90116224057 is a deficient number, since it is larger than the sum of its proper divisors (1).

90116224057 is an equidigital number, since it uses as much as digits as its factorization.

90116224057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 90116224057 in words is "ninety billion, one hundred sixteen million, two hundred twenty-four thousand, fifty-seven".