8646956064 has 60 divisors (see below), whose sum is σ = 25430465214. Its totient is φ = 2882317824.

The previous prime is 8646956057. The next prime is 8646956093. The reversal of 8646956064 is 4606596468.

It can be written as a sum of positive squares in only one way, i.e., 5742608400 + 2904347664 = 75780^2 + 53892^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8646956064.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1665417 + ... + 1670600.

Almost surely, 2^8646956064 is an apocalyptic number.

It is an amenable number.

8646956064 is an abundant number, since it is smaller than the sum of its proper divisors (16783509150).

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

8646956064 is a wasteful number, since it uses less digits than its factorization.

8646956064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336039 (or 3336022 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The square root of 8646956064 is about 92989.0104474717. The cubic root of 8646956064 is about 2052.5216689476.

The spelling of 8646956064 in words is "eight billion, six hundred forty-six million, nine hundred fifty-six thousand, sixty-four".