5665616362656 has 72 divisors (see below), whose sum is σ = 16133758883424. Its totient is φ = 1885941002880.

The previous prime is 5665616362649. The next prime is 5665616362667. The reversal of 5665616362656 is 6562636165665.

5665616362656 is a `hidden beast` number, since 5 + 6 + 6 + 5 + 616 + 3 + 6 + 2 + 6 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×5665616362656² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5665616362593 and 5665616362602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13320390 + ... + 13739141.

It is an arithmetic number, because the mean of its divisors is an integer number (224079984492).

Almost surely, 2^{5665616362656} is an apocalyptic number.

It is an amenable number.

5665616362656 is an abundant number, since it is smaller than the sum of its proper divisors (10468142520768).

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

5665616362656 is a wasteful number, since it uses less digits than its factorization.

5665616362656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27060274 (or 27060263 counting only the distinct ones).

The product of its digits is 209952000, while the sum is 63.

The spelling of 5665616362656 in words is "five trillion, six hundred sixty-five billion, six hundred sixteen million, three hundred sixty-two thousand, six hundred fifty-six".