90631164 has 24 divisors (see below), whose sum is σ = 227740240. Its totient is φ = 27886464.

The previous prime is 90631153. The next prime is 90631223. The reversal of 90631164 is 46113609.

It is a super-3 number, since 3×90631164³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290329 + ... + 290640.

Almost surely, 2^90631164 is an apocalyptic number.

It is an amenable number.

90631164 is an abundant number, since it is smaller than the sum of its proper divisors (137109076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90631164 is a wasteful number, since it uses less digits than its factorization.

90631164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580989 (or 580987 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 90631164 is about 9520.0401259659. The cubic root of 90631164 is about 449.1856283432.

The spelling of 90631164 in words is "ninety million, six hundred thirty-one thousand, one hundred sixty-four".