866362038318 has 96 divisors (see below), whose sum is σ = 2165487168000. Its totient is φ = 245211012288.

The previous prime is 866362038317. The next prime is 866362038341. The reversal of 866362038318 is 813830263668.

866362038318 is a `hidden beast` number, since 8 + 6 + 6 + 3 + 620 + 3 + 8 + 3 + 1 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866362038317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5666505 + ... + 5817387.

It is an arithmetic number, because the mean of its divisors is an integer number (22557158000).

Almost surely, 2^866362038318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866362038318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082743584000).

866362038318 is an abundant number, since it is smaller than the sum of its proper divisors (1299125129682).

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

866362038318 is a wasteful number, since it uses less digits than its factorization.

866362038318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151326 (or 151323 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 866362038318 in words is "eight hundred sixty-six billion, three hundred sixty-two million, thirty-eight thousand, three hundred eighteen".