166025156 has 24 divisors (see below), whose sum is σ = 317374176. Its totient is φ = 75366720.

The previous prime is 166025147. The next prime is 166025161. The reversal of 166025156 is 651520661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39215 + ... + 43241.

It is an arithmetic number, because the mean of its divisors is an integer number (13223924).

Almost surely, 2^166025156 is an apocalyptic number.

It is an amenable number.

166025156 is a deficient number, since it is larger than the sum of its proper divisors (151349020).

166025156 is a wasteful number, since it uses less digits than its factorization.

166025156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979 (or 4977 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 166025156 is about 12885.0749318737. The cubic root of 166025156 is about 549.6142264489.

The spelling of 166025156 in words is "one hundred sixty-six million, twenty-five thousand, one hundred fifty-six".