166917952 has 28 divisors (see below), whose sum is σ = 340184740. Its totient is φ = 81202176.

The previous prime is 166917943. The next prime is 166917977. The reversal of 166917952 is 259719661.

166917952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 75064896 + 91853056 = 8664^2 + 9584^2 .

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, 32877 + ... + 37612.

It is an arithmetic number, because the mean of its divisors is an integer number (12149455).

Almost surely, 2^166917952 is an apocalyptic number.

It is an amenable number.

166917952 is an abundant number, since it is smaller than the sum of its proper divisors (173266788).

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

166917952 is an equidigital number, since it uses as much as digits as its factorization.

166917952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70538 (or 70528 counting only the distinct ones).

The product of its digits is 204120, while the sum is 46.

The square root of 166917952 is about 12919.6730608789. The cubic root of 166917952 is about 550.5976445632.

The spelling of 166917952 in words is "one hundred sixty-six million, nine hundred seventeen thousand, nine hundred fifty-two".