16889957867328 has 448 divisors, whose sum is σ = 58033401108480. Its totient is φ = 4209988608000.

The previous prime is 16889957867303. The next prime is 16889957867339. The reversal of 16889957867328 is 82376875998861.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139698103 + ... + 139818953.

It is an arithmetic number, because the mean of its divisors is an integer number (129538841760).

Almost surely, 2^{16889957867328} 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 16889957867328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29016700554240).

16889957867328 is an abundant number, since it is smaller than the sum of its proper divisors (41143443241152).

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

16889957867328 is a wasteful number, since it uses less digits than its factorization.

16889957867328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121326 (or 121316 counting only the distinct ones).

The product of its digits is 17557585920, while the sum is 87.

The spelling of 16889957867328 in words is "sixteen trillion, eight hundred eighty-nine billion, nine hundred fifty-seven million, eight hundred sixty-seven thousand, three hundred twenty-eight".