2099168099 has 4 divisors (see below), whose sum is σ = 2399049264. Its totient is φ = 1799286936.

The previous prime is 2099168087. The next prime is 2099168111. The reversal of 2099168099 is 9908619902.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2099168087) and next prime (2099168111).

It is a cyclic number.

It is not a de Polignac number, because 2099168099 - 2⁸ = 2099167843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2099168099.

It is not an unprimeable number, because it can be changed into a prime (2099168039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149940572 + ... + 149940585.

It is an arithmetic number, because the mean of its divisors is an integer number (599762316).

Almost surely, 2^2099168099 is an apocalyptic number.

2099168099 is a deficient number, since it is larger than the sum of its proper divisors (299881165).

2099168099 is an equidigital number, since it uses as much as digits as its factorization.

2099168099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299881164.

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 2099168099 is about 45816.6792663982. The cubic root of 2099168099 is about 1280.4100450206.

The spelling of 2099168099 in words is "two billion, ninety-nine million, one hundred sixty-eight thousand, ninety-nine".