168604 has 12 divisors (see below), whose sum is σ = 300328. Its totient is φ = 82800.

The previous prime is 168601. The next prime is 168617. The reversal of 168604 is 406861.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168601) 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, 102 + ... + 589.

2¹⁶⁸⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

168604 is a deficient number, since it is larger than the sum of its proper divisors (131724).

168604 is a wasteful number, since it uses less digits than its factorization.

168604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 168604 is about 410.6141741343. The cubic root of 168604 is about 55.2445310339.

The spelling of 168604 in words is "one hundred sixty-eight thousand, six hundred four".