16890959424 has 56 divisors (see below), whose sum is σ = 45357722848. Its totient is φ = 5546280960.

The previous prime is 16890959419. The next prime is 16890959441. The reversal of 16890959424 is 42495909861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643657 + ... + 669384.

Almost surely, 2^16890959424 is an apocalyptic number.

It is an amenable number.

16890959424 is an abundant number, since it is smaller than the sum of its proper divisors (28466763424).

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

16890959424 is a wasteful number, since it uses less digits than its factorization.

16890959424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313123 (or 1313113 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 16890959424 in words is "sixteen billion, eight hundred ninety million, nine hundred fifty-nine thousand, four hundred twenty-four".