55166262186 has 32 divisors (see below), whose sum is σ = 126116241408. Its totient is φ = 15759048240.

The previous prime is 55166262161. The next prime is 55166262209. The reversal of 55166262186 is 68126266155.

55166262186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 136671 + ... + 359181.

It is an arithmetic number, because the mean of its divisors is an integer number (3941132544).

Almost surely, 2^55166262186 is an apocalyptic number.

55166262186 is an abundant number, since it is smaller than the sum of its proper divisors (70949979222).

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

55166262186 is a wasteful number, since it uses less digits than its factorization.

55166262186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228426.

The product of its digits is 1036800, while the sum is 48.

The spelling of 55166262186 in words is "fifty-five billion, one hundred sixty-six million, two hundred sixty-two thousand, one hundred eighty-six".