168115 has 4 divisors (see below), whose sum is σ = 201744. Its totient is φ = 134488.

The previous prime is 168109. The next prime is 168127. The reversal of 168115 is 511861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168115 - 2⁵ = 168083 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16807 + ... + 16816.

It is an arithmetic number, because the mean of its divisors is an integer number (50436).

2¹⁶⁸¹¹⁵ is an apocalyptic number.

168115 is a deficient number, since it is larger than the sum of its proper divisors (33629).

168115 is an equidigital number, since it uses as much as digits as its factorization.

168115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33628.

The product of its digits is 240, while the sum is 22.

The square root of 168115 is about 410.0182922749. The cubic root of 168115 is about 55.1910709845.

Adding to 168115 its reverse (511861), we get a palindrome (679976).

The spelling of 168115 in words is "one hundred sixty-eight thousand, one hundred fifteen".