238717693164 has 48 divisors (see below), whose sum is σ = 570524169600. Its totient is φ = 77661083136.

The previous prime is 238717693163. The next prime is 238717693229. The reversal of 238717693164 is 461396717832.

It is a super-2 number, since 2×238717693164² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238717693163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114437 + ... + 1311260.

It is an arithmetic number, because the mean of its divisors is an integer number (11885920200).

Almost surely, 2^238717693164 is an apocalyptic number.

It is an amenable number.

238717693164 is an abundant number, since it is smaller than the sum of its proper divisors (331806476436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238717693164 is a wasteful number, since it uses less digits than its factorization.

238717693164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425902 (or 2425900 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The spelling of 238717693164 in words is "two hundred thirty-eight billion, seven hundred seventeen million, six hundred ninety-three thousand, one hundred sixty-four".