55616166171 has 12 divisors (see below), whose sum is σ = 80338550760. Its totient is φ = 37075557120.

The previous prime is 55616166167. The next prime is 55616166191. The reversal of 55616166171 is 17166161655.

55616166171 is a `hidden beast` number, since 5 + 5 + 6 + 16 + 16 + 617 + 1 = 666.

It is not a de Polignac number, because 55616166171 - 2² = 55616166167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55616166161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42811 + ... + 336251.

It is an arithmetic number, because the mean of its divisors is an integer number (6694879230).

Almost surely, 2^55616166171 is an apocalyptic number.

55616166171 is a deficient number, since it is larger than the sum of its proper divisors (24722384589).

55616166171 is a wasteful number, since it uses less digits than its factorization.

55616166171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314506 (or 314503 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The spelling of 55616166171 in words is "fifty-five billion, six hundred sixteen million, one hundred sixty-six thousand, one hundred seventy-one".