16889400932 has 12 divisors (see below), whose sum is σ = 30185312640. Its totient is φ = 8265025896.

The previous prime is 16889400929. The next prime is 16889400949. The reversal of 16889400932 is 23900498861.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44918432 + ... + 44918807.

It is an arithmetic number, because the mean of its divisors is an integer number (2515442720).

Almost surely, 2^16889400932 is an apocalyptic number.

It is an amenable number.

16889400932 is a deficient number, since it is larger than the sum of its proper divisors (13295911708).

16889400932 is a wasteful number, since it uses less digits than its factorization.

16889400932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89837290 (or 89837288 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 16889400932 in words is "sixteen billion, eight hundred eighty-nine million, four hundred thousand, nine hundred thirty-two".