2108808018 has 24 divisors (see below), whose sum is σ = 4572479808. Its totient is φ = 702413592.

The previous prime is 2108808011. The next prime is 2108808019. The reversal of 2108808018 is 8108088012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2108808011) 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 11 ways as a sum of consecutive naturals, for example, 18246 + ... + 67457.

It is an arithmetic number, because the mean of its divisors is an integer number (190519992).

Almost surely, 2^2108808018 is an apocalyptic number.

2108808018 is an abundant number, since it is smaller than the sum of its proper divisors (2463671790).

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

2108808018 is a wasteful number, since it uses less digits than its factorization.

2108808018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87078 (or 87075 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 36.

The square root of 2108808018 is about 45921.7597441561. The cubic root of 2108808018 is about 1282.3670429750.

The spelling of 2108808018 in words is "two billion, one hundred eight million, eight hundred eight thousand, eighteen".