16806047328 has 72 divisors (see below), whose sum is σ = 54619660368. Its totient is φ = 4801727232.

The previous prime is 16806047303. The next prime is 16806047339. The reversal of 16806047328 is 82374060861.

16806047328 is a `hidden beast` number, since 1 + 6 + 8 + 0 + 604 + 7 + 32 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4166151 + ... + 4170182.

It is an arithmetic number, because the mean of its divisors is an integer number (758606394).

Almost surely, 2^16806047328 is an apocalyptic number.

16806047328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16806047328 is an abundant number, since it is smaller than the sum of its proper divisors (37813613040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16806047328 is a wasteful number, since it uses less digits than its factorization.

16806047328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8336356 (or 8336345 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 16806047328 in words is "sixteen billion, eight hundred six million, forty-seven thousand, three hundred twenty-eight".