272120166 has 48 divisors (see below), whose sum is σ = 642049200. Its totient is φ = 82966464.

The previous prime is 272120099. The next prime is 272120171. The reversal of 272120166 is 661021272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3801 + ... + 23636.

It is an arithmetic number, because the mean of its divisors is an integer number (13376025).

Almost surely, 2^272120166 is an apocalyptic number.

272120166 is an abundant number, since it is smaller than the sum of its proper divisors (369929034).

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

272120166 is a wasteful number, since it uses less digits than its factorization.

272120166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27493 (or 27490 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 272120166 is about 16496.0651671846. The cubic root of 272120166 is about 648.0177607158.

The spelling of 272120166 in words is "two hundred seventy-two million, one hundred twenty thousand, one hundred sixty-six".