90165368 has 8 divisors (see below), whose sum is σ = 169060080. Its totient is φ = 45082680.

The previous prime is 90165353. The next prime is 90165371. The reversal of 90165368 is 86356109.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635328 + ... + 5635343.

It is an arithmetic number, because the mean of its divisors is an integer number (21132510).

Almost surely, 2^90165368 is an apocalyptic number.

It is an amenable number.

90165368 is a deficient number, since it is larger than the sum of its proper divisors (78894712).

90165368 is a wasteful number, since it uses less digits than its factorization.

90165368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11270677 (or 11270673 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 90165368 is about 9495.5446394612. The cubic root of 90165368 is about 448.4147811409.

The spelling of 90165368 in words is "ninety million, one hundred sixty-five thousand, three hundred sixty-eight".