8116881584 has 40 divisors (see below), whose sum is σ = 18391084800. Its totient is φ = 3397762368.

The previous prime is 8116881581. The next prime is 8116881587. The reversal of 8116881584 is 4851886118.

It is an interprime number because it is at equal distance from previous prime (8116881581) and next prime (8116881587).

It is not an unprimeable number, because it can be changed into a prime (8116881581) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 837884 + ... + 847515.

It is an arithmetic number, because the mean of its divisors is an integer number (459777120).

Almost surely, 2^8116881584 is an apocalyptic number.

It is an amenable number.

8116881584 is an abundant number, since it is smaller than the sum of its proper divisors (10274203216).

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

8116881584 is a wasteful number, since it uses less digits than its factorization.

8116881584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685457 (or 1685451 counting only the distinct ones).

The product of its digits is 491520, while the sum is 50.

The square root of 8116881584 is about 90093.7377623994. The cubic root of 8116881584 is about 2009.6930782239.

The spelling of 8116881584 in words is "eight billion, one hundred sixteen million, eight hundred eighty-one thousand, five hundred eighty-four".