238007178523664 has 40 divisors (see below), whose sum is σ = 505276753530528. Its totient is φ = 107708494868480.

The previous prime is 238007178523651. The next prime is 238007178523733. The reversal of 238007178523664 is 466325871700832.

It is a junction number, because it is equal to n+sod(n) for n = 238007178523597 and 238007178523606.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2978624177 + ... + 2978704080.

Almost surely, 2^{238007178523664} is an apocalyptic number.

It is an amenable number.

238007178523664 is an abundant number, since it is smaller than the sum of its proper divisors (267269575006864).

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

238007178523664 is a wasteful number, since it uses less digits than its factorization.

238007178523664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957328503 (or 5957328497 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 238007178523664 in words is "two hundred thirty-eight trillion, seven billion, one hundred seventy-eight million, five hundred twenty-three thousand, six hundred sixty-four".