5665565656116 has 18 divisors (see below), whose sum is σ = 14321290964162. Its totient is φ = 1888521885360.

The previous prime is 5665565656103. The next prime is 5665565656123. The reversal of 5665565656116 is 6116565655665.

5665565656116 is a `hidden beast` number, since 5 + 6 + 6 + 5 + 5 + 6 + 5 + 6 + 5 + 611 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4185109428516 + 1480456227600 = 2045754^2 + 1216740^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×5665565656116² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78688411855 + ... + 78688411926.

Almost surely, 2^{5665565656116} is an apocalyptic number.

It is an amenable number.

5665565656116 is an abundant number, since it is smaller than the sum of its proper divisors (8655725308046).

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

5665565656116 is a wasteful number, since it uses less digits than its factorization.

5665565656116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157376823791 (or 157376823786 counting only the distinct ones).

The product of its digits is 145800000, while the sum is 63.

The spelling of 5665565656116 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-five million, six hundred fifty-six thousand, one hundred sixteen".