90356668 has 12 divisors (see below), whose sum is σ = 158383960. Its totient is φ = 45104112.

The previous prime is 90356653. The next prime is 90356681. The reversal of 90356668 is 86665309.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 15771 + ... + 20722.

Almost surely, 2^90356668 is an apocalyptic number.

It is an amenable number.

90356668 is a deficient number, since it is larger than the sum of its proper divisors (68027292).

90356668 is a wasteful number, since it uses less digits than its factorization.

90356668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37116 (or 37114 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 90356668 is about 9505.6124473913. The cubic root of 90356668 is about 448.7316846056.

The spelling of 90356668 in words is "ninety million, three hundred fifty-six thousand, six hundred sixty-eight".