56006656616 has 32 divisors (see below), whose sum is σ = 106656912000. Its totient is φ = 27565418496.

The previous prime is 56006656603. The next prime is 56006656619. The reversal of 56006656616 is 61665660065.

It is not an unprimeable number, because it can be changed into a prime (56006656619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718145 + ... + 792303.

It is an arithmetic number, because the mean of its divisors is an integer number (3333028500).

Almost surely, 2^56006656616 is an apocalyptic number.

It is an amenable number.

56006656616 is a deficient number, since it is larger than the sum of its proper divisors (50650255384).

56006656616 is a wasteful number, since it uses less digits than its factorization.

56006656616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75641 (or 75637 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 56006656616 in words is "fifty-six billion, six million, six hundred fifty-six thousand, six hundred sixteen".