90660908 has 24 divisors (see below), whose sum is σ = 172178160. Its totient is φ = 41520960.

The previous prime is 90660901. The next prime is 90660919. The reversal of 90660908 is 80906609.

It is not an unprimeable number, because it can be changed into a prime (90660901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158 + ... + 13466.

It is an arithmetic number, because the mean of its divisors is an integer number (7174090).

Almost surely, 2^90660908 is an apocalyptic number.

It is an amenable number.

90660908 is a deficient number, since it is larger than the sum of its proper divisors (81517252).

90660908 is a wasteful number, since it uses less digits than its factorization.

90660908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13457 (or 13455 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 90660908 is about 9521.6021761046. The cubic root of 90660908 is about 449.2347619797.

The spelling of 90660908 in words is "ninety million, six hundred sixty thousand, nine hundred eight".