90717164 has 12 divisors (see below), whose sum is σ = 159004944. Its totient is φ = 45287184.

The previous prime is 90717163. The next prime is 90717167. The reversal of 90717164 is 46171709.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90717163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14939 + ... + 20114.

It is an arithmetic number, because the mean of its divisors is an integer number (13250412).

Almost surely, 2^90717164 is an apocalyptic number.

It is an amenable number.

90717164 is a deficient number, since it is larger than the sum of its proper divisors (68287780).

90717164 is a wasteful number, since it uses less digits than its factorization.

90717164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35704 (or 35702 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 90717164 is about 9524.5558426627. Note that the first 3 decimals coincide. The cubic root of 90717164 is about 449.3276609881.

The spelling of 90717164 in words is "ninety million, seven hundred seventeen thousand, one hundred sixty-four".