56660060642 has 16 divisors (see below), whose sum is σ = 86056239552. Its totient is φ = 27976862160.

The previous prime is 56660060627. The next prime is 56660060663. The reversal of 56660060642 is 24606006665.

It is a super-3 number, since 3×56660060642³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56660060642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502334 + ... + 604697.

It is an arithmetic number, because the mean of its divisors is an integer number (5378514972).

Almost surely, 2^56660060642 is an apocalyptic number.

56660060642 is a deficient number, since it is larger than the sum of its proper divisors (29396178910).

56660060642 is a wasteful number, since it uses less digits than its factorization.

56660060642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107353.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 56660060642 in words is "fifty-six billion, six hundred sixty million, sixty thousand, six hundred forty-two".