16889419008 has 864 divisors, whose sum is σ = 65140088832. Its totient is φ = 4080844800.

The previous prime is 16889419003. The next prime is 16889419013. The reversal of 16889419008 is 80091498861.

It is an interprime number because it is at equal distance from previous prime (16889419003) and next prime (16889419013).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16889419003) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 203486935 + ... + 203487017.

Almost surely, 2^16889419008 is an apocalyptic number.

16889419008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16889419008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32570044416).

16889419008 is an abundant number, since it is smaller than the sum of its proper divisors (48250669824).

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

16889419008 is a wasteful number, since it uses less digits than its factorization.

16889419008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The spelling of 16889419008 in words is "sixteen billion, eight hundred eighty-nine million, four hundred nineteen thousand, eight".