16173 has 8 divisors (see below), whose sum is σ = 24000. Its totient is φ = 10764.

The previous prime is 16141. The next prime is 16183. The reversal of 16173 is 37161.

It is not a de Polignac number, because 16173 - 2⁵ = 16141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16103) 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, 273 + ... + 326.

It is an arithmetic number, because the mean of its divisors is an integer number (3000).

2¹⁶¹⁷³ is an apocalyptic number.

It is an amenable number.

16173 is a deficient number, since it is larger than the sum of its proper divisors (7827).

16173 is an equidigital number, since it uses as much as digits as its factorization.

16173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 602 counting only the distinct ones).

The product of its digits is 126, while the sum is 18.

The square root of 16173 is about 127.1731103654. The cubic root of 16173 is about 25.2889149312.

It can be divided in two parts, 1617 and 3, that multiplied together give a triangular number (4851 = T₉₈).

The spelling of 16173 in words is "sixteen thousand, one hundred seventy-three".