16989597504 has 224 divisors, whose sum is σ = 54910817280. Its totient is φ = 5108313600.

The previous prime is 16989597487. The next prime is 16989597509. The reversal of 16989597504 is 40579598961.

16989597504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16989597509) by changing a digit.

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, 2486637 + ... + 2493459.

Almost surely, 2^16989597504 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 16989597504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27455408640).

16989597504 is an abundant number, since it is smaller than the sum of its proper divisors (37921219776).

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

16989597504 is a wasteful number, since it uses less digits than its factorization.

16989597504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986 (or 6970 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 16989597504 in words is "sixteen billion, nine hundred eighty-nine million, five hundred ninety-seven thousand, five hundred four".