16904804813 has 8 divisors (see below), whose sum is σ = 18206673408. Its totient is φ = 15603150384.

The previous prime is 16904804797. The next prime is 16904804831. The reversal of 16904804813 is 31840840961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16904804813 - 2⁴ = 16904804797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16904804863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135020 + ... + 228122.

It is an arithmetic number, because the mean of its divisors is an integer number (2275834176).

Almost surely, 2^16904804813 is an apocalyptic number.

16904804813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16904804813 is a deficient number, since it is larger than the sum of its proper divisors (1301868595).

16904804813 is a wasteful number, since it uses less digits than its factorization.

16904804813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107083.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 16904804813 in words is "sixteen billion, nine hundred four million, eight hundred four thousand, eight hundred thirteen".