6668834850 has 72 divisors (see below), whose sum is σ = 17932395780. Its totient is φ = 1776821760.

The previous prime is 6668834803. The next prime is 6668834873. The reversal of 6668834850 is 584388666.

It can be written as a sum of positive squares in 6 ways, for example, as 3841892289 + 2826942561 = 61983^2 + 53169^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 574302 + ... + 585798.

Almost surely, 2^6668834850 is an apocalyptic number.

6668834850 is an abundant number, since it is smaller than the sum of its proper divisors (11263560930).

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

6668834850 is a wasteful number, since it uses less digits than its factorization.

6668834850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804 (or 12796 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The square root of 6668834850 is about 81662.9343704964. The cubic root of 6668834850 is about 1882.2760695103.

The spelling of 6668834850 in words is "six billion, six hundred sixty-eight million, eight hundred thirty-four thousand, eight hundred fifty".