168163 has 4 divisors (see below), whose sum is σ = 169000. Its totient is φ = 167328.

The previous prime is 168151. The next prime is 168193. The reversal of 168163 is 361861.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 361861 = 73 ⋅4957.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168163 is a prime.

It is a Duffinian number.

168163 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168143) 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, 88 + ... + 586.

It is an arithmetic number, because the mean of its divisors is an integer number (42250).

2¹⁶⁸¹⁶³ is an apocalyptic number.

168163 is a deficient number, since it is larger than the sum of its proper divisors (837).

168163 is an equidigital number, since it uses as much as digits as its factorization.

168163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836.

The product of its digits is 864, while the sum is 25.

The square root of 168163 is about 410.0768220712. The cubic root of 168163 is about 55.1963231815.

The spelling of 168163 in words is "one hundred sixty-eight thousand, one hundred sixty-three".