164534585 has 16 divisors (see below), whose sum is σ = 220060800. Its totient is φ = 117363456.

The previous prime is 164534563. The next prime is 164534633. The reversal of 164534585 is 585435461.

It is not a de Polignac number, because 164534585 - 2²² = 160340281 is a prime.

It is a super-2 number, since 2×164534585² = 54143259322244450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49325 + ... + 52554.

It is an arithmetic number, because the mean of its divisors is an integer number (13753800).

Almost surely, 2^164534585 is an apocalyptic number.

It is an amenable number.

164534585 is a deficient number, since it is larger than the sum of its proper divisors (55526215).

164534585 is a wasteful number, since it uses less digits than its factorization.

164534585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101920.

The product of its digits is 288000, while the sum is 41.

The square root of 164534585 is about 12827.1035311952. The cubic root of 164534585 is about 547.9644703642.

The spelling of 164534585 in words is "one hundred sixty-four million, five hundred thirty-four thousand, five hundred eighty-five".