2108867018 has 8 divisors (see below), whose sum is σ = 3183449412. Its totient is φ = 1047717216.

The previous prime is 2108866973. The next prime is 2108867023. The reversal of 2108867018 is 8107688012.

It can be written as a sum of positive squares in 2 ways, for example, as 1628687449 + 480179569 = 40357^2 + 21913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3357755 + ... + 3358382.

Almost surely, 2^2108867018 is an apocalyptic number.

2108867018 is a deficient number, since it is larger than the sum of its proper divisors (1074582394).

2108867018 is a wasteful number, since it uses less digits than its factorization.

2108867018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716296.

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 2108867018 is about 45922.4021366479. The cubic root of 2108867018 is about 1282.3790021717.

The spelling of 2108867018 in words is "two billion, one hundred eight million, eight hundred sixty-seven thousand, eighteen".