16641884160 has 816 divisors, whose sum is σ = 68702175360. Its totient is φ = 3822059520.

The previous prime is 16641884131. The next prime is 16641884213. The reversal of 16641884160 is 6148814661.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 875888631 + ... + 875888649.

Almost surely, 2^16641884160 is an apocalyptic number.

16641884160 is a gapful number since it is divisible by the number (10) 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 16641884160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34351087680).

16641884160 is an abundant number, since it is smaller than the sum of its proper divisors (52060291200).

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

16641884160 is an frugal number, since it uses more digits than its factorization.

16641884160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 16641884160 in words is "sixteen billion, six hundred forty-one million, eight hundred eighty-four thousand, one hundred sixty".