16984694688 has 144 divisors (see below), whose sum is σ = 48377528640. Its totient is φ = 5215322112.

The previous prime is 16984694659. The next prime is 16984694689. The reversal of 16984694688 is 88649648961.

It is not an unprimeable number, because it can be changed into a prime (16984694689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12053728 + ... + 12055136.

It is an arithmetic number, because the mean of its divisors is an integer number (335955060).

Almost surely, 2^16984694688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16984694688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24188764320).

16984694688 is an abundant number, since it is smaller than the sum of its proper divisors (31392833952).

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

16984694688 is a wasteful number, since it uses less digits than its factorization.

16984694688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2170 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 69.

The spelling of 16984694688 in words is "sixteen billion, nine hundred eighty-four million, six hundred ninety-four thousand, six hundred eighty-eight".