90116402169 has 32 divisors (see below), whose sum is σ = 127048244224. Its totient is φ = 56743727040.

The previous prime is 90116402153. The next prime is 90116402179. The reversal of 90116402169 is 96120461109.

It is not a de Polignac number, because 90116402169 - 2⁴ = 90116402153 is a prime.

It is a super-2 number, since 2×90116402169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90116402149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 720084 + ... + 835914.

It is an arithmetic number, because the mean of its divisors is an integer number (3970257632).

Almost surely, 2^90116402169 is an apocalyptic number.

It is an amenable number.

90116402169 is a deficient number, since it is larger than the sum of its proper divisors (36931842055).

90116402169 is a wasteful number, since it uses less digits than its factorization.

90116402169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116077.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 90116402169 in words is "ninety billion, one hundred sixteen million, four hundred two thousand, one hundred sixty-nine".