82316646386868 has 48 divisors (see below), whose sum is σ = 200426371729920. Its totient is φ = 26245463924064.

The previous prime is 82316646386801. The next prime is 82316646386873. The reversal of 82316646386868 is 86868364661328.

It is a self number, because there is not a number n which added to its sum of digits gives 82316646386868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14964171 + ... + 19711917.

It is an arithmetic number, because the mean of its divisors is an integer number (4175549411040).

Almost surely, 2^{82316646386868} is an apocalyptic number.

It is an amenable number.

82316646386868 is an abundant number, since it is smaller than the sum of its proper divisors (118109725343052).

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

82316646386868 is a wasteful number, since it uses less digits than its factorization.

82316646386868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810596 (or 4810594 counting only the distinct ones).

The product of its digits is 2293235712, while the sum is 75.

The spelling of 82316646386868 in words is "eighty-two trillion, three hundred sixteen billion, six hundred forty-six million, three hundred eighty-six thousand, eight hundred sixty-eight".