56567656768 has 28 divisors (see below), whose sum is σ = 128287365472. Its totient is φ = 24243281280.

The previous prime is 56567656741. The next prime is 56567656771. The reversal of 56567656768 is 86765676565.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 63133098 + ... + 63133993.

It is an arithmetic number, because the mean of its divisors is an integer number (4581691624).

Almost surely, 2^56567656768 is an apocalyptic number.

It is an amenable number.

56567656768 is an abundant number, since it is smaller than the sum of its proper divisors (71719708704).

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

56567656768 is a wasteful number, since it uses less digits than its factorization.

56567656768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126267110 (or 126267100 counting only the distinct ones).

The product of its digits is 381024000, while the sum is 67.

The spelling of 56567656768 in words is "fifty-six billion, five hundred sixty-seven million, six hundred fifty-six thousand, seven hundred sixty-eight".