16704144403 has 4 divisors (see below), whose sum is σ = 16790694568. Its totient is φ = 16617594240.

The previous prime is 16704144397. The next prime is 16704144409. The reversal of 16704144403 is 30444140761.

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

It is an interprime number because it is at equal distance from previous prime (16704144397) and next prime (16704144409).

It is a cyclic number.

It is not a de Polignac number, because 16704144403 - 2⁹ = 16704143891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16704144409) 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, 43274793 + ... + 43275178.

It is an arithmetic number, because the mean of its divisors is an integer number (4197673642).

Almost surely, 2^16704144403 is an apocalyptic number.

16704144403 is a deficient number, since it is larger than the sum of its proper divisors (86550165).

16704144403 is an equidigital number, since it uses as much as digits as its factorization.

16704144403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86550164.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 16704144403 in words is "sixteen billion, seven hundred four million, one hundred forty-four thousand, four hundred three".