56670683238 has 128 divisors (see below), whose sum is σ = 139706434560. Its totient is φ = 16917465600.

The previous prime is 56670683233. The next prime is 56670683257. The reversal of 56670683238 is 83238607665.

56670683238 is a `hidden beast` number, since 566 + 70 + 6 + 8 + 3 + 2 + 3 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56670683233) 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, 4551870 + ... + 4564302.

It is an arithmetic number, because the mean of its divisors is an integer number (1091456520).

Almost surely, 2^56670683238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56670683238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69853217280).

56670683238 is an abundant number, since it is smaller than the sum of its proper divisors (83035751322).

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

56670683238 is a wasteful number, since it uses less digits than its factorization.

56670683238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12651 (or 12645 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 56670683238 in words is "fifty-six billion, six hundred seventy million, six hundred eighty-three thousand, two hundred thirty-eight".