8666259528960 has 864 divisors, whose sum is σ = 33018379954560. Its totient is φ = 2081208729600.

The previous prime is 8666259528943. The next prime is 8666259529003. The reversal of 8666259528960 is 698259526668.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13110831030 + ... + 13110831690.

It is an arithmetic number, because the mean of its divisors is an integer number (38215717540).

Almost surely, 2^{8666259528960} is an apocalyptic number.

8666259528960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8666259528960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16509189977280).

8666259528960 is an abundant number, since it is smaller than the sum of its proper divisors (24352120425600).

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

8666259528960 is a wasteful number, since it uses less digits than its factorization.

8666259528960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 671846400, while the sum is 72.

The spelling of 8666259528960 in words is "eight trillion, six hundred sixty-six billion, two hundred fifty-nine million, five hundred twenty-eight thousand, nine hundred sixty".