166475874 has 16 divisors (see below), whose sum is σ = 333107712. Its totient is φ = 55465968.

The previous prime is 166475873. The next prime is 166475879. The reversal of 166475874 is 478574661.

It is not an unprimeable number, because it can be changed into a prime (166475873) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11007 + ... + 21309.

It is an arithmetic number, because the mean of its divisors is an integer number (20819232).

Almost surely, 2^166475874 is an apocalyptic number.

166475874 is an abundant number, since it is smaller than the sum of its proper divisors (166631838).

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

166475874 is a wasteful number, since it uses less digits than its factorization.

166475874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13001.

The product of its digits is 1128960, while the sum is 48.

The square root of 166475874 is about 12902.5530031851. The cubic root of 166475874 is about 550.1111334656. Note that the first 4 decimals are identical.

The spelling of 166475874 in words is "one hundred sixty-six million, four hundred seventy-five thousand, eight hundred seventy-four".