166272488 has 16 divisors (see below), whose sum is σ = 314789280. Its totient is φ = 82328688.

The previous prime is 166272467. The next prime is 166272517. The reversal of 166272488 is 884272661.

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, 100070 + ... + 101717.

It is an arithmetic number, because the mean of its divisors is an integer number (19674330).

Almost surely, 2^166272488 is an apocalyptic number.

It is an amenable number.

166272488 is a deficient number, since it is larger than the sum of its proper divisors (148516792).

166272488 is a wasteful number, since it uses less digits than its factorization.

166272488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201896 (or 201892 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 166272488 is about 12894.6689759761. The cubic root of 166272488 is about 549.8870159102.

The spelling of 166272488 in words is "one hundred sixty-six million, two hundred seventy-two thousand, four hundred eighty-eight".