56682828665 has 16 divisors (see below), whose sum is σ = 69297744000. Its totient is φ = 44500275072.

The previous prime is 56682828641. The next prime is 56682828673.

56682828665 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 56682828665 - 2¹⁶ = 56682763129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56682828598 and 56682828607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317555 + ... + 462824.

It is an arithmetic number, because the mean of its divisors is an integer number (4331109000).

Almost surely, 2^56682828665 is an apocalyptic number.

It is an amenable number.

56682828665 is a deficient number, since it is larger than the sum of its proper divisors (12614915335).

56682828665 is a wasteful number, since it uses less digits than its factorization.

56682828665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780656.

The product of its digits is 66355200, while the sum is 62.

The spelling of 56682828665 in words is "fifty-six billion, six hundred eighty-two million, eight hundred twenty-eight thousand, six hundred sixty-five".