866763341006586 has 16 divisors (see below), whose sum is σ = 1789446897562368. Its totient is φ = 279601077744000.

The previous prime is 866763341006573. The next prime is 866763341006621. The reversal of 866763341006586 is 685600143367668.

It is a self number, because there is not a number n which added to its sum of digits gives 866763341006586.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2330008981015 + ... + 2330008981386.

It is an arithmetic number, because the mean of its divisors is an integer number (111840431097648).

Almost surely, 2^{866763341006586} is an apocalyptic number.

866763341006586 is an abundant number, since it is smaller than the sum of its proper divisors (922683556555782).

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

866763341006586 is a wasteful number, since it uses less digits than its factorization.

866763341006586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660017962437.

The product of its (nonzero) digits is 627056640, while the sum is 69.

The spelling of 866763341006586 in words is "eight hundred sixty-six trillion, seven hundred sixty-three billion, three hundred forty-one million, six thousand, five hundred eighty-six".