16944173 has 4 divisors (see below), whose sum is σ = 16952988. Its totient is φ = 16935360.

The previous prime is 16944133. The next prime is 16944203. The reversal of 16944173 is 37144961.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 2829124 + 14115049 = 1682^2 + 3757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16944173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944133) 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, 158 + ... + 5823.

It is an arithmetic number, because the mean of its divisors is an integer number (4238247).

Almost surely, 2^16944173 is an apocalyptic number.

It is an amenable number.

16944173 is a deficient number, since it is larger than the sum of its proper divisors (8815).

16944173 is an equidigital number, since it uses as much as digits as its factorization.

16944173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814.

The product of its digits is 18144, while the sum is 35.

The square root of 16944173 is about 4116.3300402179. The cubic root of 16944173 is about 256.8463858150.

The spelling of 16944173 in words is "sixteen million, nine hundred forty-four thousand, one hundred seventy-three".