5665560611166 has 48 divisors (see below), whose sum is σ = 12712025083680. Its totient is φ = 1822512519360.

The previous prime is 5665560611159. The next prime is 5665560611173. The reversal of 5665560611166 is 6611160655665.

5665560611166 is a `hidden beast` number, since 5 + 6 + 6 + 5 + 5 + 6 + 0 + 611 + 16 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (5665560611159) and next prime (5665560611173).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48620026 + ... + 48736413.

It is an arithmetic number, because the mean of its divisors is an integer number (264833855910).

Almost surely, 2^{5665560611166} is an apocalyptic number.

5665560611166 is an abundant number, since it is smaller than the sum of its proper divisors (7046464472514).

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

5665560611166 is a wasteful number, since it uses less digits than its factorization.

5665560611166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97356561 (or 97356558 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

It can be divided in two parts, 5665560 and 611166, that added together give a palindrome (6276726).

The spelling of 5665560611166 in words is "five trillion, six hundred sixty-five billion, five hundred sixty million, six hundred eleven thousand, one hundred sixty-six".