5615610161166 has 96 divisors (see below), whose sum is σ = 12351423352320. Its totient is φ = 1843788744000.

The previous prime is 5615610161129. The next prime is 5615610161179. The reversal of 5615610161166 is 6611610165165.

5615610161166 is a `hidden beast` number, since 5 + 6 + 1 + 5 + 610 + 16 + 1 + 16 + 6 = 666.

It is a super-4 number, since 4×5615610161166⁴ (a number of 52 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178195351 + ... + 178226861.

It is an arithmetic number, because the mean of its divisors is an integer number (128660659920).

Almost surely, 2^{5615610161166} is an apocalyptic number.

5615610161166 is an abundant number, since it is smaller than the sum of its proper divisors (6735813191154).

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

5615610161166 is a wasteful number, since it uses less digits than its factorization.

5615610161166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32222 (or 32219 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 5615610161166 in words is "five trillion, six hundred fifteen billion, six hundred ten million, one hundred sixty-one thousand, one hundred sixty-six".