90541664 has 24 divisors (see below), whose sum is σ = 183073968. Its totient is φ = 44046720.

The previous prime is 90541657. The next prime is 90541691. The reversal of 90541664 is 46614509.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37052 + ... + 39419.

It is an arithmetic number, because the mean of its divisors is an integer number (7628082).

Almost surely, 2^90541664 is an apocalyptic number.

It is an amenable number.

90541664 is an abundant number, since it is smaller than the sum of its proper divisors (92532304).

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

90541664 is a wasteful number, since it uses less digits than its factorization.

90541664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76518 (or 76510 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 90541664 is about 9515.3383544675. The cubic root of 90541664 is about 449.0377198583.

The spelling of 90541664 in words is "ninety million, five hundred forty-one thousand, six hundred sixty-four".