868369451136 has 256 divisors, whose sum is σ = 2539038182400. Its totient is φ = 260774727680.

The previous prime is 868369451111. The next prime is 868369451141. The reversal of 868369451136 is 631154963868.

It is a self number, because there is not a number n which added to its sum of digits gives 868369451136.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239680621 + ... + 239684243.

It is an arithmetic number, because the mean of its divisors is an integer number (9918117900).

Almost surely, 2^868369451136 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 868369451136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269519091200).

868369451136 is an abundant number, since it is smaller than the sum of its proper divisors (1670668731264).

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

868369451136 is a wasteful number, since it uses less digits than its factorization.

868369451136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147 (or 4135 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 60.

The spelling of 868369451136 in words is "eight hundred sixty-eight billion, three hundred sixty-nine million, four hundred fifty-one thousand, one hundred thirty-six".