238864360185 has 64 divisors (see below), whose sum is σ = 465930351360. Its totient is φ = 115143459840.

The previous prime is 238864360153. The next prime is 238864360187. The reversal of 238864360185 is 581063468832.

238864360185 is a `hidden beast` number, since 23 + 8 + 8 + 6 + 4 + 3 + 601 + 8 + 5 = 666.

It is not a de Polignac number, because 238864360185 - 2⁵ = 238864360153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238864360187) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 207984 + ... + 721793.

It is an arithmetic number, because the mean of its divisors is an integer number (7280161740).

Almost surely, 2^238864360185 is an apocalyptic number.

It is an amenable number.

238864360185 is a deficient number, since it is larger than the sum of its proper divisors (227065991175).

238864360185 is a wasteful number, since it uses less digits than its factorization.

238864360185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929975 (or 929969 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 238864360185 in words is "two hundred thirty-eight billion, eight hundred sixty-four million, three hundred sixty thousand, one hundred eighty-five".