16805300817 has 12 divisors (see below), whose sum is σ = 22631157680. Its totient is φ = 11092587600.

The previous prime is 16805300779. The next prime is 16805300839. The reversal of 16805300817 is 71800350861.

16805300817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16805300817 - 2⁷ = 16805300689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16805300117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243967 + ... + 305172.

Almost surely, 2^16805300817 is an apocalyptic number.

It is an amenable number.

16805300817 is a deficient number, since it is larger than the sum of its proper divisors (5825856863).

16805300817 is an equidigital number, since it uses as much as digits as its factorization.

16805300817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549344 (or 549243 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 16805300817 in words is "sixteen billion, eight hundred five million, three hundred thousand, eight hundred seventeen".