168933 has 4 divisors (see below), whose sum is σ = 225248. Its totient is φ = 112620.

The previous prime is 168913. The next prime is 168937. The reversal of 168933 is 339861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 339861 = 3 ⋅113287.

It is not a de Polignac number, because 168933 - 2⁵ = 168901 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

168933 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 168933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168937) 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, 28153 + ... + 28158.

It is an arithmetic number, because the mean of its divisors is an integer number (56312).

2¹⁶⁸⁹³³ is an apocalyptic number.

It is an amenable number.

168933 is a deficient number, since it is larger than the sum of its proper divisors (56315).

168933 is an equidigital number, since it uses as much as digits as its factorization.

168933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56314.

The product of its digits is 3888, while the sum is 30.

The square root of 168933 is about 411.0145982809. The cubic root of 168933 is about 55.2804409006.

The spelling of 168933 in words is "one hundred sixty-eight thousand, nine hundred thirty-three".