656660047363 has 8 divisors (see below), whose sum is σ = 680050595840. Its totient is φ = 633407496840.

The previous prime is 656660047333. The next prime is 656660047391. The reversal of 656660047363 is 363740066656.

656660047363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 656660047363 - 2²⁵ = 656626492931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 656660047363.

It is not an unprimeable number, because it can be changed into a prime (656660047333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34489803 + ... + 34508836.

It is an arithmetic number, because the mean of its divisors is an integer number (85006324480).

Almost surely, 2^656660047363 is an apocalyptic number.

656660047363 is a deficient number, since it is larger than the sum of its proper divisors (23390548477).

656660047363 is a wasteful number, since it uses less digits than its factorization.

656660047363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68998977.

The product of its (nonzero) digits is 9797760, while the sum is 52.

The spelling of 656660047363 in words is "six hundred fifty-six billion, six hundred sixty million, forty-seven thousand, three hundred sixty-three".