8666516275200 has 2160 divisors, whose sum is σ = 37815183631680. Its totient is φ = 1854972887040.

The previous prime is 8666516275199. The next prime is 8666516275211. The reversal of 8666516275200 is 25726156668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 27688550244 + ... + 27688550556.

Almost surely, 2^{8666516275200} is an apocalyptic number.

8666516275200 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 8666516275200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18907591815840).

8666516275200 is an abundant number, since it is smaller than the sum of its proper divisors (29148667356480).

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

8666516275200 is a wasteful number, since it uses less digits than its factorization.

8666516275200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 8666516275200 in words is "eight trillion, six hundred sixty-six billion, five hundred sixteen million, two hundred seventy-five thousand, two hundred".