549166172 has 12 divisors (see below), whose sum is σ = 963233040. Its totient is φ = 273956736.

The previous prime is 549166169. The next prime is 549166187. The reversal of 549166172 is 271661945.

549166172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154613 + ... + 158124.

It is an arithmetic number, because the mean of its divisors is an integer number (80269420).

Almost surely, 2^549166172 is an apocalyptic number.

It is an amenable number.

549166172 is a deficient number, since it is larger than the sum of its proper divisors (414066868).

549166172 is a wasteful number, since it uses less digits than its factorization.

549166172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313180 (or 313178 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 549166172 is about 23434.2947835005. The cubic root of 549166172 is about 818.9070169345.

The spelling of 549166172 in words is "five hundred forty-nine million, one hundred sixty-six thousand, one hundred seventy-two".