164604 has 48 divisors (see below), whose sum is σ = 443520. Its totient is φ = 47040.

The previous prime is 164599. The next prime is 164617. The reversal of 164604 is 406461.

164604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3807 + ... + 3849.

It is an arithmetic number, because the mean of its divisors is an integer number (9240).

2¹⁶⁴⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221760).

164604 is an abundant number, since it is smaller than the sum of its proper divisors (278916).

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

164604 is a wasteful number, since it uses less digits than its factorization.

164604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 164604 is about 405.7141851107. The cubic root of 164604 is about 54.8041519223.

The spelling of 164604 in words is "one hundred sixty-four thousand, six hundred four".