56566171616717 has 16 divisors (see below), whose sum is σ = 64741414170624. Its totient is φ = 48414570912000.

The previous prime is 56566171616699. The next prime is 56566171616729. The reversal of 56566171616717 is 71761617166565.

56566171616717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56566171616717 - 2¹⁴ = 56566171600333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566171613717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11007092 + ... + 15306482.

It is an arithmetic number, because the mean of its divisors is an integer number (4046338385664).

Almost surely, 2^{56566171616717} is an apocalyptic number.

It is an amenable number.

56566171616717 is a deficient number, since it is larger than the sum of its proper divisors (8175242553907).

56566171616717 is a wasteful number, since it uses less digits than its factorization.

56566171616717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302140.

The product of its digits is 66679200, while the sum is 65.

The spelling of 56566171616717 in words is "fifty-six trillion, five hundred sixty-six billion, one hundred seventy-one million, six hundred sixteen thousand, seven hundred seventeen".