8108866458 has 96 divisors (see below), whose sum is σ = 21956014080. Its totient is φ = 2101243680.

The previous prime is 8108866439. The next prime is 8108866487. The reversal of 8108866458 is 8546688018.

8108866458 is a `hidden beast` number, since 8 + 108 + 86 + 6 + 458 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 601791 + ... + 615117.

It is an arithmetic number, because the mean of its divisors is an integer number (228708480).

Almost surely, 2^8108866458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8108866458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10978007040).

8108866458 is an abundant number, since it is smaller than the sum of its proper divisors (13847147622).

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

8108866458 is a wasteful number, since it uses less digits than its factorization.

8108866458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792 (or 13789 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The square root of 8108866458 is about 90049.2446275925. The cubic root of 8108866458 is about 2009.0313607079.

The spelling of 8108866458 in words is "eight billion, one hundred eight million, eight hundred sixty-six thousand, four hundred fifty-eight".