90594164 has 6 divisors (see below), whose sum is σ = 158539794. Its totient is φ = 45297080.

The previous prime is 90594157. The next prime is 90594187. The reversal of 90594164 is 46149509.

It can be written as a sum of positive squares in only one way, i.e., 88924900 + 1669264 = 9430^2 + 1292^2 .

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, 11324267 + ... + 11324274.

It is an arithmetic number, because the mean of its divisors is an integer number (26423299).

Almost surely, 2^90594164 is an apocalyptic number.

It is an amenable number.

90594164 is a deficient number, since it is larger than the sum of its proper divisors (67945630).

90594164 is a wasteful number, since it uses less digits than its factorization.

90594164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22648545 (or 22648543 counting only the distinct ones).

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

The square root of 90594164 is about 9518.0966584712. The cubic root of 90594164 is about 449.1244936308.

The spelling of 90594164 in words is "ninety million, five hundred ninety-four thousand, one hundred sixty-four".