164535165 has 16 divisors (see below), whose sum is σ = 292507200. Its totient is φ = 87752016.

The previous prime is 164535131. The next prime is 164535179. The reversal of 164535165 is 561535461.

164535165 is a `hidden beast` number, since 1 + 64 + 535 + 1 + 65 = 666.

It is not a de Polignac number, because 164535165 - 2²⁷ = 30317437 is a prime.

It is a Curzon number.

It is a congruent number.

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, 609255 + ... + 609524.

It is an arithmetic number, because the mean of its divisors is an integer number (18281700).

Almost surely, 2^164535165 is an apocalyptic number.

164535165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164535165 is a deficient number, since it is larger than the sum of its proper divisors (127972035).

164535165 is a wasteful number, since it uses less digits than its factorization.

164535165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218793 (or 1218787 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 164535165 is about 12827.1261395528. The cubic root of 164535165 is about 547.9651142390.

The spelling of 164535165 in words is "one hundred sixty-four million, five hundred thirty-five thousand, one hundred sixty-five".