16805933906 has 8 divisors (see below), whose sum is σ = 25213991040. Its totient is φ = 8401270228.

The previous prime is 16805933897. The next prime is 16805933959. The reversal of 16805933906 is 60933950861.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835946 + ... + 855813.

It is an arithmetic number, because the mean of its divisors is an integer number (3151748880).

Almost surely, 2^16805933906 is an apocalyptic number.

16805933906 is a deficient number, since it is larger than the sum of its proper divisors (8408057134).

16805933906 is a wasteful number, since it uses less digits than its factorization.

16805933906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696728.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 16805933906 in words is "sixteen billion, eight hundred five million, nine hundred thirty-three thousand, nine hundred six".