8686441616 has 40 divisors (see below), whose sum is σ = 17187292800. Its totient is φ = 4251632000.

The previous prime is 8686441613. The next prime is 8686441633. The reversal of 8686441616 is 6161446868.

It is not an unprimeable number, because it can be changed into a prime (8686441613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206366 + ... + 244866.

It is an arithmetic number, because the mean of its divisors is an integer number (429682320).

Almost surely, 2^8686441616 is an apocalyptic number.

It is an amenable number.

8686441616 is a deficient number, since it is larger than the sum of its proper divisors (8500851184).

8686441616 is a wasteful number, since it uses less digits than its factorization.

8686441616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38807 (or 38801 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 8686441616 is about 93201.0816246249. The cubic root of 8686441616 is about 2055.6411444019.

The spelling of 8686441616 in words is "eight billion, six hundred eighty-six million, four hundred forty-one thousand, six hundred sixteen".