166474074 has 16 divisors (see below), whose sum is σ = 358559712. Its totient is φ = 51222768.

The previous prime is 166474057. The next prime is 166474079. The reversal of 166474074 is 470474661.

It is a happy number.

166474074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166474079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067064 + ... + 1067219.

It is an arithmetic number, because the mean of its divisors is an integer number (22409982).

Almost surely, 2^166474074 is an apocalyptic number.

166474074 is an abundant number, since it is smaller than the sum of its proper divisors (192085638).

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

166474074 is a wasteful number, since it uses less digits than its factorization.

166474074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134301.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 166474074 is about 12902.4832493594. The cubic root of 166474074 is about 550.1091507887.

The spelling of 166474074 in words is "one hundred sixty-six million, four hundred seventy-four thousand, seventy-four".