16808520832 has 32 divisors (see below), whose sum is σ = 33492654720. Its totient is φ = 8402521344.

The previous prime is 16808520809. The next prime is 16808520847. The reversal of 16808520832 is 23802580861.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794293 + ... + 815179.

It is an arithmetic number, because the mean of its divisors is an integer number (1046645460).

Almost surely, 2^16808520832 is an apocalyptic number.

It is an amenable number.

16808520832 is a deficient number, since it is larger than the sum of its proper divisors (16684133888).

16808520832 is an equidigital number, since it uses as much as digits as its factorization.

16808520832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27188 (or 27176 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 16808520832 in words is "sixteen billion, eight hundred eight million, five hundred twenty thousand, eight hundred thirty-two".