8605664238260 has 48 divisors (see below), whose sum is σ = 18149338932480. Its totient is φ = 3427517358720.

The previous prime is 8605664238251. The next prime is 8605664238263. The reversal of 8605664238260 is 628324665068.

It is a junction number, because it is equal to n+sod(n) for n = 8605664238196 and 8605664238205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8605664238263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50252702 + ... + 50423658.

It is an arithmetic number, because the mean of its divisors is an integer number (378111227760).

Almost surely, 2^{8605664238260} is an apocalyptic number.

It is an amenable number.

8605664238260 is an abundant number, since it is smaller than the sum of its proper divisors (9543674694220).

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

8605664238260 is a wasteful number, since it uses less digits than its factorization.

8605664238260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181736 (or 181734 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 8605664238260 in words is "eight trillion, six hundred five billion, six hundred sixty-four million, two hundred thirty-eight thousand, two hundred sixty".