56664295620486 has 32 divisors (see below), whose sum is σ = 113477634402048. Its totient is φ = 18863259064800.

The previous prime is 56664295620479. The next prime is 56664295620529. The reversal of 56664295620486 is 68402659246665.

It is a self number, because there is not a number n which added to its sum of digits gives 56664295620486.

It is a congruent number.

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, 281180061 + ... + 281381511.

It is an arithmetic number, because the mean of its divisors is an integer number (3546176075064).

Almost surely, 2^{56664295620486} is an apocalyptic number.

56664295620486 is an abundant number, since it is smaller than the sum of its proper divisors (56813338781562).

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

56664295620486 is a wasteful number, since it uses less digits than its factorization.

56664295620486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262876.

The product of its (nonzero) digits is 895795200, while the sum is 69.

The spelling of 56664295620486 in words is "fifty-six trillion, six hundred sixty-four billion, two hundred ninety-five million, six hundred twenty thousand, four hundred eighty-six".