8664640358080 has 112 divisors (see below), whose sum is σ = 24340851634176. Its totient is φ = 2874903690240.

The previous prime is 8664640358047. The next prime is 8664640358089. The reversal of 8664640358080 is 808530464668.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (8664640358089) 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, 62319964 + ... + 62458843.

It is an arithmetic number, because the mean of its divisors is an integer number (217329032448).

Almost surely, 2^{8664640358080} is an apocalyptic number.

8664640358080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8664640358080 is an abundant number, since it is smaller than the sum of its proper divisors (15676211276096).

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

8664640358080 is a wasteful number, since it uses less digits than its factorization.

8664640358080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124778862 (or 124778852 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 58.

The spelling of 8664640358080 in words is "eight trillion, six hundred sixty-four billion, six hundred forty million, three hundred fifty-eight thousand, eighty".