16890452016 has 80 divisors (see below), whose sum is σ = 44445250560. Its totient is φ = 5525832960.

The previous prime is 16890452003. The next prime is 16890452039. The reversal of 16890452016 is 61025409861.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396491 + ... + 1408533.

It is an arithmetic number, because the mean of its divisors is an integer number (555565632).

Almost surely, 2^16890452016 is an apocalyptic number.

16890452016 is a gapful number since it is divisible by the number (16) 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 16890452016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22222625280).

16890452016 is an abundant number, since it is smaller than the sum of its proper divisors (27554798544).

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

16890452016 is a wasteful number, since it uses less digits than its factorization.

16890452016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12594 (or 12588 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 16890452016 in words is "sixteen billion, eight hundred ninety million, four hundred fifty-two thousand, sixteen".