8651865960 has 160 divisors (see below), whose sum is σ = 29290615200. Its totient is φ = 2290446720.

The previous prime is 8651865941. The next prime is 8651865977. The reversal of 8651865960 is 695681568.

It is a happy number.

8651865960 is a `hidden beast` number, since 8 + 6 + 518 + 65 + 9 + 60 = 666.

8651865960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 8651865897 and 8651865906.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 440755 + ... + 459965.

It is an arithmetic number, because the mean of its divisors is an integer number (183066345).

Almost surely, 2^8651865960 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 8651865960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14645307600).

8651865960 is an abundant number, since it is smaller than the sum of its proper divisors (20638749240).

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

8651865960 is a wasteful number, since it uses less digits than its factorization.

8651865960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19373 (or 19360 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 8651865960 is about 93015.4071108652. The cubic root of 8651865960 is about 2052.9100815880.

The spelling of 8651865960 in words is "eight billion, six hundred fifty-one million, eight hundred sixty-five thousand, nine hundred sixty".