5656590956565 has 24 divisors (see below), whose sum is σ = 9951097329888. Its totient is φ = 2971820918880.

The previous prime is 5656590956561. The next prime is 5656590956579.

5656590956565 is a `hidden beast` number, since 5 + 6 + 5 + 6 + 5 + 9 + 0 + 9 + 56 + 565 = 666.

5656590956565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5656590956565 - 2² = 5656590956561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5656590956493 and 5656590956502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656590956561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 938071771 + ... + 938077800.

It is an arithmetic number, because the mean of its divisors is an integer number (414629055412).

Almost surely, 2^{5656590956565} is an apocalyptic number.

It is an amenable number.

5656590956565 is a deficient number, since it is larger than the sum of its proper divisors (4294506373323).

5656590956565 is a wasteful number, since it uses less digits than its factorization.

5656590956565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876149649 (or 1876149646 counting only the distinct ones).

The product of its (nonzero) digits is 1640250000, while the sum is 72.

The spelling of 5656590956565 in words is "five trillion, six hundred fifty-six billion, five hundred ninety million, nine hundred fifty-six thousand, five hundred sixty-five".