866182083567080 has 96 divisors (see below), whose sum is σ = 2287161848660040. Its totient is φ = 294348601774080.

The previous prime is 866182083566929. The next prime is 866182083567089. The reversal of 866182083567080 is 80765380281668.

It can be written as a sum of positive squares in 4 ways, for example, as 140877576302596 + 725304507264484 = 11869186^2 + 26931478^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 866182083567080.

It is not an unprimeable number, because it can be changed into a prime (866182083567089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1955219381 + ... + 1955662340.

Almost surely, 2^{866182083567080} is an apocalyptic number.

It is an amenable number.

866182083567080 is an abundant number, since it is smaller than the sum of its proper divisors (1420979765092960).

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

866182083567080 is a wasteful number, since it uses less digits than its factorization.

866182083567080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910881859 (or 3910881848 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 68.

The spelling of 866182083567080 in words is "eight hundred sixty-six trillion, one hundred eighty-two billion, eighty-three million, five hundred sixty-seven thousand, eighty".