204164 has 12 divisors (see below), whose sum is σ = 365904. Its totient is φ = 99624.

The previous prime is 204163. The next prime is 204173. The reversal of 204164 is 461402.

It is not an unprimeable number, because it can be changed into a prime (204161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422 + ... + 765.

It is an arithmetic number, because the mean of its divisors is an integer number (30492).

2²⁰⁴¹⁶⁴ is an apocalyptic number.

It is an amenable number.

204164 is a deficient number, since it is larger than the sum of its proper divisors (161740).

204164 is a wasteful number, since it uses less digits than its factorization.

204164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204164 is about 451.8451062034. The cubic root of 204164 is about 58.8834239355.

Adding to 204164 its reverse (461402), we get a palindrome (665566).

The spelling of 204164 in words is "two hundred four thousand, one hundred sixty-four".