82316856566243 has 8 divisors (see below), whose sum is σ = 88653488259168. Its totient is φ = 75980877130944.

The previous prime is 82316856566201. The next prime is 82316856566261. The reversal of 82316856566243 is 34266565861328.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82316856566243 - 2³⁶ = 82248137089507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82316856566243.

It is not an unprimeable number, because it can be changed into a prime (82316856566743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162802271 + ... + 163307112.

It is an arithmetic number, because the mean of its divisors is an integer number (11081686032396).

Almost surely, 2^{82316856566243} is an apocalyptic number.

82316856566243 is a deficient number, since it is larger than the sum of its proper divisors (6336631692925).

82316856566243 is a wasteful number, since it uses less digits than its factorization.

82316856566243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326128813.

The product of its digits is 298598400, while the sum is 65.

The spelling of 82316856566243 in words is "eighty-two trillion, three hundred sixteen billion, eight hundred fifty-six million, five hundred sixty-six thousand, two hundred forty-three".