90910168 has 16 divisors (see below), whose sum is σ = 177868080. Its totient is φ = 43478688.

The previous prime is 90910139. The next prime is 90910177. The reversal of 90910168 is 86101909.

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, 246855 + ... + 247222.

It is an arithmetic number, because the mean of its divisors is an integer number (11116755).

Almost surely, 2^90910168 is an apocalyptic number.

It is an amenable number.

90910168 is a deficient number, since it is larger than the sum of its proper divisors (86957912).

90910168 is a wasteful number, since it uses less digits than its factorization.

90910168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494106 (or 494102 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 90910168 is about 9534.6823754124. The cubic root of 90910168 is about 449.6460888109.

The spelling of 90910168 in words is "ninety million, nine hundred ten thousand, one hundred sixty-eight".