82636557518672 has 20 divisors (see below), whose sum is σ = 161260188687360. Its totient is φ = 41021024954208.

The previous prime is 82636557518651. The next prime is 82636557518681. The reversal of 82636557518672 is 27681575563628.

It is a junction number, because it is equal to n+sod(n) for n = 82636557518596 and 82636557518605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18578360528 + ... + 18578364975.

It is an arithmetic number, because the mean of its divisors is an integer number (8063009434368).

Almost surely, 2^{82636557518672} is an apocalyptic number.

It is an amenable number.

82636557518672 is a deficient number, since it is larger than the sum of its proper divisors (78623631168688).

82636557518672 is a wasteful number, since it uses less digits than its factorization.

82636557518672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37156725650 (or 37156725644 counting only the distinct ones).

The product of its digits is 1016064000, while the sum is 71.

The spelling of 82636557518672 in words is "eighty-two trillion, six hundred thirty-six billion, five hundred fifty-seven million, five hundred eighteen thousand, six hundred seventy-two".