8091662886 has 64 divisors (see below), whose sum is σ = 18978720000. Its totient is φ = 2548397376.

The previous prime is 8091662869. The next prime is 8091662899. The reversal of 8091662886 is 6882661908.

It is a happy number.

8091662886 is a `hidden beast` number, since 8 + 0 + 9 + 1 + 6 + 628 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 378450 + ... + 399258.

It is an arithmetic number, because the mean of its divisors is an integer number (296542500).

Almost surely, 2^8091662886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8091662886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9489360000).

8091662886 is an abundant number, since it is smaller than the sum of its proper divisors (10887057114).

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

8091662886 is a wasteful number, since it uses less digits than its factorization.

8091662886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21218 (or 21212 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 8091662886 is about 89953.6707755720. The cubic root of 8091662886 is about 2007.6095842274.

The spelling of 8091662886 in words is "eight billion, ninety-one million, six hundred sixty-two thousand, eight hundred eighty-six".