2108666850 has 48 divisors (see below), whose sum is σ = 5409832320. Its totient is φ = 542920000.

The previous prime is 2108666743. The next prime is 2108666863. The reversal of 2108666850 is 586668012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238026 + ... + 246725.

It is an arithmetic number, because the mean of its divisors is an integer number (112704840).

Almost surely, 2^2108666850 is an apocalyptic number.

2108666850 is an abundant number, since it is smaller than the sum of its proper divisors (3301165470).

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

2108666850 is a wasteful number, since it uses less digits than its factorization.

2108666850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484795 (or 484790 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2108666850 is about 45920.2226693208. Note that the first 3 decimals coincide. The cubic root of 2108666850 is about 1282.3384275631.

The spelling of 2108666850 in words is "two billion, one hundred eight million, six hundred sixty-six thousand, eight hundred fifty".