8659633660 has 12 divisors (see below), whose sum is σ = 18185230728. Its totient is φ = 3463853456.

The previous prime is 8659633649. The next prime is 8659633669. The reversal of 8659633660 is 663369568.

It is a junction number, because it is equal to n+sod(n) for n = 8659633598 and 8659633607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8659633669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216490822 + ... + 216490861.

It is an arithmetic number, because the mean of its divisors is an integer number (1515435894).

Almost surely, 2^8659633660 is an apocalyptic number.

It is an amenable number.

8659633660 is an abundant number, since it is smaller than the sum of its proper divisors (9525597068).

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

8659633660 is a wasteful number, since it uses less digits than its factorization.

8659633660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432981692 (or 432981690 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 52.

The square root of 8659633660 is about 93057.1526536246. The cubic root of 8659633660 is about 2053.5242697040.

The spelling of 8659633660 in words is "eight billion, six hundred fifty-nine million, six hundred thirty-three thousand, six hundred sixty".