16889043328320 has 224 divisors, whose sum is σ = 59765253494400. Its totient is φ = 4015722921984.

The previous prime is 16889043328309. The next prime is 16889043328321. The reversal of 16889043328320 is 2382334098861.

16889043328320 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 (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16889043328321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26923285 + ... + 27543444.

Almost surely, 2^{16889043328320} is an apocalyptic number.

16889043328320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16889043328320 is an abundant number, since it is smaller than the sum of its proper divisors (42876210166080).

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

16889043328320 is a wasteful number, since it uses less digits than its factorization.

16889043328320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54466785 (or 54466775 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 16889043328320 in words is "sixteen trillion, eight hundred eighty-nine billion, forty-three million, three hundred twenty-eight thousand, three hundred twenty".