16889776968 has 16 divisors (see below), whose sum is σ = 42224442480. Its totient is φ = 5629925648.

The previous prime is 16889776927. The next prime is 16889777017. The reversal of 16889776968 is 86967798861.

It is a self number, because there is not a number n which added to its sum of digits gives 16889776968.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351870330 + ... + 351870377.

It is an arithmetic number, because the mean of its divisors is an integer number (2639027655).

Almost surely, 2^16889776968 is an apocalyptic number.

It is an amenable number.

16889776968 is an abundant number, since it is smaller than the sum of its proper divisors (25334665512).

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

16889776968 is a wasteful number, since it uses less digits than its factorization.

16889776968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703740716 (or 703740712 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 75.

The spelling of 16889776968 in words is "sixteen billion, eight hundred eighty-nine million, seven hundred seventy-six thousand, nine hundred sixty-eight".