56701660413 has 24 divisors (see below), whose sum is σ = 81509757472. Its totient is φ = 35046468864.

The previous prime is 56701660403. The next prime is 56701660427. The reversal of 56701660413 is 31406610765.

It is not a de Polignac number, because 56701660413 - 2¹⁴ = 56701644029 is a prime.

It is a super-3 number, since 3×56701660413³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56701660403) 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 23 ways as a sum of consecutive naturals, for example, 429970 + ... + 546147.

Almost surely, 2^56701660413 is an apocalyptic number.

It is an amenable number.

56701660413 is a deficient number, since it is larger than the sum of its proper divisors (24808097059).

56701660413 is a wasteful number, since it uses less digits than its factorization.

56701660413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976221 (or 976204 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 56701660413 in words is "fifty-six billion, seven hundred one million, six hundred sixty thousand, four hundred thirteen".