16899991360 has 112 divisors (see below), whose sum is σ = 46027384704. Its totient is φ = 5789841408.

The previous prime is 16899991343. The next prime is 16899991369. The reversal of 16899991360 is 6319999861.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16899991369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4448982 + ... + 4452778.

It is an arithmetic number, because the mean of its divisors is an integer number (410958792).

Almost surely, 2^16899991360 is an apocalyptic number.

16899991360 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 16899991360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23013692352).

16899991360 is an abundant number, since it is smaller than the sum of its proper divisors (29127393344).

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

16899991360 is a wasteful number, since it uses less digits than its factorization.

16899991360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808 (or 5798 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 61.

The spelling of 16899991360 in words is "sixteen billion, eight hundred ninety-nine million, nine hundred ninety-one thousand, three hundred sixty".