16108899722208 has 108 divisors (see below), whose sum is σ = 46076034710160. Its totient is φ = 5338592041728.

The previous prime is 16108899722203. The next prime is 16108899722231. The reversal of 16108899722208 is 80222799880161.

16108899722208 is a `hidden beast` number, since 1 + 610 + 8 + 8 + 9 + 9 + 7 + 2 + 2 + 2 + 0 + 8 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16108899722203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7685113 + ... + 9553991.

It is an arithmetic number, because the mean of its divisors is an integer number (426629951020).

Almost surely, 2^{16108899722208} is an apocalyptic number.

16108899722208 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 16108899722208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23038017355080).

16108899722208 is an abundant number, since it is smaller than the sum of its proper divisors (29967134987952).

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

16108899722208 is a wasteful number, since it uses less digits than its factorization.

16108899722208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869241 (or 1869057 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 16108899722208 in words is "sixteen trillion, one hundred eight billion, eight hundred ninety-nine million, seven hundred twenty-two thousand, two hundred eight".