168364 has 18 divisors (see below), whose sum is σ = 343140. Its totient is φ = 72072.

The previous prime is 168353. The next prime is 168391. The reversal of 168364 is 463861.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234 + ... + 625.

2¹⁶⁸³⁶⁴ is an apocalyptic number.

168364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

168364 is an abundant number, since it is smaller than the sum of its proper divisors (174776).

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

168364 is a wasteful number, since it uses less digits than its factorization.

168364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 868 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 168364 is about 410.3218249131. The cubic root of 168364 is about 55.2183059078.

The spelling of 168364 in words is "one hundred sixty-eight thousand, three hundred sixty-four".