5566615666116 has 48 divisors (see below), whose sum is σ = 13553724395904. Its totient is φ = 1774833451776.

The previous prime is 5566615666099. The next prime is 5566615666123. The reversal of 5566615666116 is 6116665166655.

It is a self number, because there is not a number n which added to its sum of digits gives 5566615666116.

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, 21542256 + ... + 21799128.

It is an arithmetic number, because the mean of its divisors is an integer number (282369258248).

Almost surely, 2^{5566615666116} is an apocalyptic number.

It is an amenable number.

5566615666116 is an abundant number, since it is smaller than the sum of its proper divisors (7987108729788).

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

5566615666116 is a wasteful number, since it uses less digits than its factorization.

5566615666116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335420 (or 335418 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 60.

The spelling of 5566615666116 in words is "five trillion, five hundred sixty-six billion, six hundred fifteen million, six hundred sixty-six thousand, one hundred sixteen".