2099787168 has 24 divisors (see below), whose sum is σ = 5511941568. Its totient is φ = 699929024.

The previous prime is 2099787133. The next prime is 2099787187. The reversal of 2099787168 is 8617879902.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10936296 + ... + 10936487.

It is an arithmetic number, because the mean of its divisors is an integer number (229664232).

Almost surely, 2^2099787168 is an apocalyptic number.

It is an amenable number.

2099787168 is an abundant number, since it is smaller than the sum of its proper divisors (3412154400).

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

2099787168 is a wasteful number, since it uses less digits than its factorization.

2099787168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21872796 (or 21872788 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 57.

The square root of 2099787168 is about 45823.4347032171. The cubic root of 2099787168 is about 1280.5359019029.

The spelling of 2099787168 in words is "two billion, ninety-nine million, seven hundred eighty-seven thousand, one hundred sixty-eight".