8606665587072 has 512 divisors, whose sum is σ = 27284781312000. Its totient is φ = 2351832956928.

The previous prime is 8606665587071. The next prime is 8606665587077. The reversal of 8606665587072 is 2707855666068.

It is a junction number, because it is equal to n+sod(n) for n = 8606665586994 and 8606665587012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8606665587071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4221021829 + ... + 4221023867.

It is an arithmetic number, because the mean of its divisors is an integer number (53290588500).

Almost surely, 2^{8606665587072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8606665587072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13642390656000).

8606665587072 is an abundant number, since it is smaller than the sum of its proper divisors (18678115724928).

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

8606665587072 is a wasteful number, since it uses less digits than its factorization.

8606665587072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 66.

The spelling of 8606665587072 in words is "eight trillion, six hundred six billion, six hundred sixty-five million, five hundred eighty-seven thousand, seventy-two".