56660113404 has 36 divisors (see below), whose sum is σ = 143849629560. Its totient is φ = 18804227040.

The previous prime is 56660113403. The next prime is 56660113409. The reversal of 56660113404 is 40431106665.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56660113403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3428202 + ... + 3444689.

Almost surely, 2^56660113404 is an apocalyptic number.

It is an amenable number.

56660113404 is an abundant number, since it is smaller than the sum of its proper divisors (87189516156).

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

56660113404 is a wasteful number, since it uses less digits than its factorization.

56660113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873130 (or 6873125 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 56660113404 in words is "fifty-six billion, six hundred sixty million, one hundred thirteen thousand, four hundred four".