166265196 has 12 divisors (see below), whose sum is σ = 387952152. Its totient is φ = 55421728.

The previous prime is 166265189. The next prime is 166265201. The reversal of 166265196 is 691562661.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6927705 + ... + 6927728.

It is an arithmetic number, because the mean of its divisors is an integer number (32329346).

Almost surely, 2^166265196 is an apocalyptic number.

It is an amenable number.

166265196 is an abundant number, since it is smaller than the sum of its proper divisors (221686956).

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

166265196 is a wasteful number, since it uses less digits than its factorization.

166265196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13855440 (or 13855438 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 166265196 is about 12894.3862203674. The cubic root of 166265196 is about 549.8789772287.

The spelling of 166265196 in words is "one hundred sixty-six million, two hundred sixty-five thousand, one hundred ninety-six".