8566220118632 has 384 divisors, whose sum is σ = 19776994110720. Its totient is φ = 3456995942400.

The previous prime is 8566220118593. The next prime is 8566220118653. The reversal of 8566220118632 is 2368110226658.

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, 9767639378 + ... + 9767640254.

It is an arithmetic number, because the mean of its divisors is an integer number (51502588830).

Almost surely, 2^{8566220118632} 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 8566220118632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9888497055360).

8566220118632 is an abundant number, since it is smaller than the sum of its proper divisors (11210773992088).

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

8566220118632 is a wasteful number, since it uses less digits than its factorization.

8566220118632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 8566220118632 in words is "eight trillion, five hundred sixty-six billion, two hundred twenty million, one hundred eighteen thousand, six hundred thirty-two".