16804706688 has 256 divisors, whose sum is σ = 61836480000. Its totient is φ = 4364789760.

The previous prime is 16804706671. The next prime is 16804706717. The reversal of 16804706688 is 88660740861.

16804706688 is a `hidden beast` number, since 16 + 80 + 470 + 6 + 6 + 88 = 666.

16804706688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 234538 + ... + 297686.

It is an arithmetic number, because the mean of its divisors is an integer number (241548750).

Almost surely, 2^16804706688 is an apocalyptic number.

16804706688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16804706688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30918240000).

16804706688 is an abundant number, since it is smaller than the sum of its proper divisors (45031773312).

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

16804706688 is a wasteful number, since it uses less digits than its factorization.

16804706688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63190 (or 63172 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 16804706688 in words is "sixteen billion, eight hundred four million, seven hundred six thousand, six hundred eighty-eight".