8365866822432 has 432 divisors, whose sum is σ = 29146101566400. Its totient is φ = 2263282560000.

The previous prime is 8365866822427. The next prime is 8365866822433. The reversal of 8365866822432 is 2342286685638.

8365866822432 is a `hidden beast` number, since 8 + 3 + 6 + 586 + 6 + 8 + 2 + 2 + 43 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 8365866822432.

It is not an unprimeable number, because it can be changed into a prime (8365866822433) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 608375557 + ... + 608389307.

It is an arithmetic number, because the mean of its divisors is an integer number (67467827700).

Almost surely, 2^{8365866822432} 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 8365866822432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14573050783200).

8365866822432 is an abundant number, since it is smaller than the sum of its proper divisors (20780234743968).

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

8365866822432 is a wasteful number, since it uses less digits than its factorization.

8365866822432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16069 (or 16051 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 63.

The spelling of 8365866822432 in words is "eight trillion, three hundred sixty-five billion, eight hundred sixty-six million, eight hundred twenty-two thousand, four hundred thirty-two".