165163 has 8 divisors (see below), whose sum is σ = 177408. Its totient is φ = 153384.

The previous prime is 165161. The next prime is 165173. The reversal of 165163 is 361561.

165163 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165163 - 2¹ = 165161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906 + ... + 1072.

It is an arithmetic number, because the mean of its divisors is an integer number (22176).

2¹⁶⁵¹⁶³ is an apocalyptic number.

165163 is a deficient number, since it is larger than the sum of its proper divisors (12245).

165163 is a wasteful number, since it uses less digits than its factorization.

165163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233.

The product of its digits is 540, while the sum is 22.

The square root of 165163 is about 406.4025098348. The cubic root of 165163 is about 54.8661206604.

The spelling of 165163 in words is "one hundred sixty-five thousand, one hundred sixty-three".