55610516166 has 48 divisors (see below), whose sum is σ = 115210145232. Its totient is φ = 17888557440.

The previous prime is 55610516107. The next prime is 55610516179. The reversal of 55610516166 is 66161501655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1159780 + ... + 1206776.

It is an arithmetic number, because the mean of its divisors is an integer number (2400211359).

Almost surely, 2^55610516166 is an apocalyptic number.

55610516166 is an abundant number, since it is smaller than the sum of its proper divisors (59599629066).

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

55610516166 is a wasteful number, since it uses less digits than its factorization.

55610516166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47177 (or 47116 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 55610516166 in words is "fifty-five billion, six hundred ten million, five hundred sixteen thousand, one hundred sixty-six".