5665660561056 has 96 divisors (see below), whose sum is σ = 15520576095360. Its totient is φ = 1806257091584.

The previous prime is 5665660561009. The next prime is 5665660561091. The reversal of 5665660561056 is 6501650665665.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 5665660560987 and 5665660561005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22247050 + ... + 22500278.

It is an arithmetic number, because the mean of its divisors is an integer number (161672667660).

Almost surely, 2^{5665660561056} is an apocalyptic number.

It is an amenable number.

5665660561056 is an abundant number, since it is smaller than the sum of its proper divisors (9854915534304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5665660561056 is a wasteful number, since it uses less digits than its factorization.

5665660561056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263398 (or 263390 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 57.

The spelling of 5665660561056 in words is "five trillion, six hundred sixty-five billion, six hundred sixty million, five hundred sixty-one thousand, fifty-six".