16873369 has 4 divisors (see below), whose sum is σ = 17329444. Its totient is φ = 16417296.

The previous prime is 16873361. The next prime is 16873379. The reversal of 16873369 is 96337861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5817744 + 11055625 = 2412^2 + 3325^2 .

It is a cyclic number.

It is not a de Polignac number, because 16873369 - 2³ = 16873361 is a prime.

It is a super-2 number, since 2×16873369² = 569421162820322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16873361) 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, 227982 + ... + 228055.

It is an arithmetic number, because the mean of its divisors is an integer number (4332361).

Almost surely, 2^16873369 is an apocalyptic number.

It is an amenable number.

16873369 is a deficient number, since it is larger than the sum of its proper divisors (456075).

16873369 is an equidigital number, since it uses as much as digits as its factorization.

16873369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456074.

The product of its digits is 163296, while the sum is 43.

The square root of 16873369 is about 4107.7206574936. The cubic root of 16873369 is about 256.4881281182.

It can be divided in two parts, 168 and 73369, that added together give a palindrome (73537).

The spelling of 16873369 in words is "sixteen million, eight hundred seventy-three thousand, three hundred sixty-nine".