56662426664 has 16 divisors (see below), whose sum is σ = 110861269920. Its totient is φ = 27099421360.

The previous prime is 56662426663. The next prime is 56662426673. The reversal of 56662426664 is 46662426665.

It is not an unprimeable number, because it can be changed into a prime (56662426663) 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, 153973802 + ... + 153974169.

It is an arithmetic number, because the mean of its divisors is an integer number (6928829370).

Almost surely, 2^56662426664 is an apocalyptic number.

It is an amenable number.

56662426664 is a deficient number, since it is larger than the sum of its proper divisors (54198843256).

56662426664 is a wasteful number, since it uses less digits than its factorization.

56662426664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307948000 (or 307947996 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 53.

Subtracting from 56662426664 its reverse (46662426665), we obtain a palindrome (9999999999).

The spelling of 56662426664 in words is "fifty-six billion, six hundred sixty-two million, four hundred twenty-six thousand, six hundred sixty-four".