238571165 has 16 divisors (see below), whose sum is σ = 328137600. Its totient is φ = 163114560.

The previous prime is 238571143. The next prime is 238571171. The reversal of 238571165 is 561175832.

It is not a de Polignac number, because 238571165 - 2⁶ = 238571101 is a prime.

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, 2450 + ... + 21980.

It is an arithmetic number, because the mean of its divisors is an integer number (20508600).

Almost surely, 2^238571165 is an apocalyptic number.

It is an amenable number.

238571165 is a deficient number, since it is larger than the sum of its proper divisors (89566435).

238571165 is a wasteful number, since it uses less digits than its factorization.

238571165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19892.

The product of its digits is 50400, while the sum is 38.

The square root of 238571165 is about 15445.7490915786. The cubic root of 238571165 is about 620.2107894093.

The spelling of 238571165 in words is "two hundred thirty-eight million, five hundred seventy-one thousand, one hundred sixty-five".