2104168815 has 24 divisors (see below), whose sum is σ = 4168258848. Its totient is φ = 961905600.

The previous prime is 2104168811. The next prime is 2104168849. The reversal of 2104168815 is 5188614012.

It is not a de Polignac number, because 2104168815 - 2² = 2104168811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2104168815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104168811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3339636 + ... + 3340265.

It is an arithmetic number, because the mean of its divisors is an integer number (173677452).

Almost surely, 2^2104168815 is an apocalyptic number.

2104168815 is a deficient number, since it is larger than the sum of its proper divisors (2064090033).

2104168815 is a wasteful number, since it uses less digits than its factorization.

2104168815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679919 (or 6679916 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 2104168815 is about 45871.2198987557. The cubic root of 2104168815 is about 1281.4259854557.

The spelling of 2104168815 in words is "two billion, one hundred four million, one hundred sixty-eight thousand, eight hundred fifteen".