82116682135 has 4 divisors (see below), whose sum is σ = 98540018568. Its totient is φ = 65693345704.

The previous prime is 82116682129. The next prime is 82116682147. The reversal of 82116682135 is 53128661128.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82116682135 - 2³ = 82116682127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82116682091 and 82116682100.

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, 8211668209 + ... + 8211668218.

It is an arithmetic number, because the mean of its divisors is an integer number (24635004642).

Almost surely, 2^82116682135 is an apocalyptic number.

82116682135 is a deficient number, since it is larger than the sum of its proper divisors (16423336433).

82116682135 is a wasteful number, since it uses less digits than its factorization.

82116682135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16423336432.

The product of its digits is 138240, while the sum is 43.

The spelling of 82116682135 in words is "eighty-two billion, one hundred sixteen million, six hundred eighty-two thousand, one hundred thirty-five".