166125245 has 32 divisors (see below), whose sum is σ = 235315584. Its totient is φ = 110995200.

The previous prime is 166125221. The next prime is 166125257. The reversal of 166125245 is 542521661.

It is not a de Polignac number, because 166125245 - 2⁶ = 166125181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201935 + ... + 202755.

It is an arithmetic number, because the mean of its divisors is an integer number (7353612).

Almost surely, 2^166125245 is an apocalyptic number.

It is an amenable number.

166125245 is a deficient number, since it is larger than the sum of its proper divisors (69190339).

166125245 is a wasteful number, since it uses less digits than its factorization.

166125245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its digits is 14400, while the sum is 32.

The square root of 166125245 is about 12888.9582589129. The cubic root of 166125245 is about 549.7246500516.

The spelling of 166125245 in words is "one hundred sixty-six million, one hundred twenty-five thousand, two hundred forty-five".