5666716502056 has 16 divisors (see below), whose sum is σ = 10626081707700. Its totient is φ = 2833094713344.

The previous prime is 5666716502053. The next prime is 5666716502171. The reversal of 5666716502056 is 6502056176665.

It can be written as a sum of positive squares in 2 ways, for example, as 3639891622500 + 2026824879556 = 1907850^2 + 1423666^2 .

It is a super-2 number, since 2×5666716502056² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5666716501988 and 5666716502006.

It is not an unprimeable number, because it can be changed into a prime (5666716502053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32850811 + ... + 33022858.

Almost surely, 2^{5666716502056} is an apocalyptic number.

It is an amenable number.

5666716502056 is a deficient number, since it is larger than the sum of its proper divisors (4959365205644).

5666716502056 is a wasteful number, since it uses less digits than its factorization.

5666716502056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65884428 (or 65884424 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 5666716502056 in words is "five trillion, six hundred sixty-six billion, seven hundred sixteen million, five hundred two thousand, fifty-six".