16804947803 has 16 divisors (see below), whose sum is σ = 20287960320. Its totient is φ = 13597873056.

The previous prime is 16804947793. The next prime is 16804947827. The reversal of 16804947803 is 30874940861.

It is a cyclic number.

It is not a de Polignac number, because 16804947803 - 2⁶ = 16804947739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16804947893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185600 + ... + 260877.

It is an arithmetic number, because the mean of its divisors is an integer number (1267997520).

Almost surely, 2^16804947803 is an apocalyptic number.

16804947803 is a deficient number, since it is larger than the sum of its proper divisors (3483012517).

16804947803 is a wasteful number, since it uses less digits than its factorization.

16804947803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446786.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 16804947803 in words is "sixteen billion, eight hundred four million, nine hundred forty-seven thousand, eight hundred three".