163173 has 8 divisors (see below), whose sum is σ = 220000. Its totient is φ = 107568.

The previous prime is 163171. The next prime is 163181. The reversal of 163173 is 371361.

163173 is nontrivially palindromic in base 15.

163173 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 163173 - 2¹ = 163171 is a prime.

It is a Duffinian number.

163173 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (27500).

2¹⁶³¹⁷³ is an apocalyptic number.

It is an amenable number.

163173 is a deficient number, since it is larger than the sum of its proper divisors (56827).

163173 is a wasteful number, since it uses less digits than its factorization.

163173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611.

The product of its digits is 378, while the sum is 21.

The square root of 163173 is about 403.9467786726. The cubic root of 163173 is about 54.6448744854.

The spelling of 163173 in words is "one hundred sixty-three thousand, one hundred seventy-three".