164574474 has 32 divisors (see below), whose sum is σ = 342491136. Its totient is φ = 52662960.

The previous prime is 164574457. The next prime is 164574479. The reversal of 164574474 is 474475461.

164574474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164574479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20139 + ... + 27105.

It is an arithmetic number, because the mean of its divisors is an integer number (10702848).

Almost surely, 2^164574474 is an apocalyptic number.

164574474 is an abundant number, since it is smaller than the sum of its proper divisors (177916662).

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

164574474 is a wasteful number, since it uses less digits than its factorization.

164574474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130.

The product of its digits is 376320, while the sum is 42.

The square root of 164574474 is about 12828.6583086463. The cubic root of 164574474 is about 548.0087487725.

The spelling of 164574474 in words is "one hundred sixty-four million, five hundred seventy-four thousand, four hundred seventy-four".