238660165 has 16 divisors (see below), whose sum is σ = 297815040. Its totient is φ = 183404160.

The previous prime is 238660157. The next prime is 238660171. The reversal of 238660165 is 561066832.

238660165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238660165 - 2³ = 238660157 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, 15616 + ... + 26854.

It is an arithmetic number, because the mean of its divisors is an integer number (18613440).

Almost surely, 2^238660165 is an apocalyptic number.

It is an amenable number.

238660165 is a deficient number, since it is larger than the sum of its proper divisors (59154875).

238660165 is a wasteful number, since it uses less digits than its factorization.

238660165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11412.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 238660165 is about 15448.6298745229. The cubic root of 238660165 is about 620.2879039223.

The spelling of 238660165 in words is "two hundred thirty-eight million, six hundred sixty thousand, one hundred sixty-five".