56661339676 has 12 divisors (see below), whose sum is σ = 99183146608. Its totient is φ = 28323297792.

The previous prime is 56661339673. The next prime is 56661339727. The reversal of 56661339676 is 67693316665.

56661339676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×56661339676³ (a number of 33 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56661339676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56661339673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1825701 + ... + 1856476.

Almost surely, 2^56661339676 is an apocalyptic number.

It is an amenable number.

56661339676 is a deficient number, since it is larger than the sum of its proper divisors (42521806932).

56661339676 is a wasteful number, since it uses less digits than its factorization.

56661339676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686028 (or 3686026 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 58.

The spelling of 56661339676 in words is "fifty-six billion, six hundred sixty-one million, three hundred thirty-nine thousand, six hundred seventy-six".