90457537163 has 12 divisors (see below), whose sum is σ = 105231190680. Its totient is φ = 77531291712.

The previous prime is 90457537153. The next prime is 90457537169. The reversal of 90457537163 is 36173575409.

It is not a de Polignac number, because 90457537163 - 2²⁶ = 90390428299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90457537169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581203 + ... + 1637411.

It is an arithmetic number, because the mean of its divisors is an integer number (8769265890).

Almost surely, 2^90457537163 is an apocalyptic number.

90457537163 is a deficient number, since it is larger than the sum of its proper divisors (14773653517).

90457537163 is a wasteful number, since it uses less digits than its factorization.

90457537163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89066 (or 89059 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 50.

The spelling of 90457537163 in words is "ninety billion, four hundred fifty-seven million, five hundred thirty-seven thousand, one hundred sixty-three".