166934125 has 16 divisors (see below), whose sum is σ = 211758768. Its totient is φ = 131352000.

The previous prime is 166934107. The next prime is 166934129. The reversal of 166934125 is 521439661.

It can be written as a sum of positive squares in 8 ways, for example, as 81667369 + 85266756 = 9037^2 + 9234^2 .

It is not a de Polignac number, because 166934125 - 2¹⁷ = 166803053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166934129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3322 + ... + 18571.

It is an arithmetic number, because the mean of its divisors is an integer number (13234923).

Almost surely, 2^166934125 is an apocalyptic number.

It is an amenable number.

166934125 is a deficient number, since it is larger than the sum of its proper divisors (44824643).

166934125 is an equidigital number, since it uses as much as digits as its factorization.

166934125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21969 (or 21959 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 166934125 is about 12920.2989516497. The cubic root of 166934125 is about 550.6154268090.

The spelling of 166934125 in words is "one hundred sixty-six million, nine hundred thirty-four thousand, one hundred twenty-five".