16816664360 has 128 divisors (see below), whose sum is σ = 40082964480. Its totient is φ = 6337191168.

The previous prime is 16816664339. The next prime is 16816664377. The reversal of 16816664360 is 6346661861.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19044479 + ... + 19045361.

It is an arithmetic number, because the mean of its divisors is an integer number (313148160).

Almost surely, 2^16816664360 is an apocalyptic number.

16816664360 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 16816664360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20041482240).

16816664360 is an abundant number, since it is smaller than the sum of its proper divisors (23266300120).

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

16816664360 is a wasteful number, since it uses less digits than its factorization.

16816664360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 16816664360 in words is "sixteen billion, eight hundred sixteen million, six hundred sixty-four thousand, three hundred sixty".