166570120 has 16 divisors (see below), whose sum is σ = 374782860. Its totient is φ = 66628032.

The previous prime is 166570111. The next prime is 166570177. The reversal of 166570120 is 21075661.

It can be written as a sum of positive squares in 2 ways, for example, as 155401156 + 11168964 = 12466^2 + 3342^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2082087 + ... + 2082166.

Almost surely, 2^166570120 is an apocalyptic number.

166570120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166570120 is an abundant number, since it is smaller than the sum of its proper divisors (208212740).

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

166570120 is a wasteful number, since it uses less digits than its factorization.

166570120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164264 (or 4164260 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 166570120 is about 12906.2047093636. The cubic root of 166570120 is about 550.2149242673.

The spelling of 166570120 in words is "one hundred sixty-six million, five hundred seventy thousand, one hundred twenty".