56686068665 has 8 divisors (see below), whose sum is σ = 68025363840. Its totient is φ = 45347467312.

The previous prime is 56686068613. The next prime is 56686068683.

56686068665 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56686068665 - 2²⁴ = 56669291449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56686068598 and 56686068607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27446 + ... + 337824.

It is an arithmetic number, because the mean of its divisors is an integer number (8503170480).

Almost surely, 2^56686068665 is an apocalyptic number.

It is an amenable number.

56686068665 is a deficient number, since it is larger than the sum of its proper divisors (11339295175).

56686068665 is a wasteful number, since it uses less digits than its factorization.

56686068665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346911.

The product of its (nonzero) digits is 74649600, while the sum is 62.

The spelling of 56686068665 in words is "fifty-six billion, six hundred eighty-six million, sixty-eight thousand, six hundred sixty-five".