16804173 has 4 divisors (see below), whose sum is σ = 22405568. Its totient is φ = 11202780.

The previous prime is 16804171. The next prime is 16804213. The reversal of 16804173 is 37140861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16804173 - 2¹ = 16804171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16804173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16804171) 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, 2800693 + ... + 2800698.

It is an arithmetic number, because the mean of its divisors is an integer number (5601392).

Almost surely, 2^16804173 is an apocalyptic number.

It is an amenable number.

16804173 is a deficient number, since it is larger than the sum of its proper divisors (5601395).

16804173 is an equidigital number, since it uses as much as digits as its factorization.

16804173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601394.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 16804173 is about 4099.2893286520. The cubic root of 16804173 is about 256.1370370231.

It can be divided in two parts, 16804 and 173, that multiplied together give a palindrome (2907092).

The spelling of 16804173 in words is "sixteen million, eight hundred four thousand, one hundred seventy-three".