82636820216118 has 48 divisors (see below), whose sum is σ = 204625129453056. Its totient is φ = 23610448263600.

The previous prime is 82636820216117. The next prime is 82636820216131. The reversal of 82636820216118 is 81161202863628.

82636820216118 is a `hidden beast` number, since 8 + 2 + 6 + 368 + 202 + 1 + 61 + 18 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82636820216117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51543693 + ... + 53122743.

It is an arithmetic number, because the mean of its divisors is an integer number (4263023530272).

Almost surely, 2^{82636820216118} is an apocalyptic number.

82636820216118 is an abundant number, since it is smaller than the sum of its proper divisors (121988309236938).

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

82636820216118 is a wasteful number, since it uses less digits than its factorization.

82636820216118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994409 (or 1994406 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 82636820216118 in words is "eighty-two trillion, six hundred thirty-six billion, eight hundred twenty million, two hundred sixteen thousand, one hundred eighteen".