82016808216 has 32 divisors (see below), whose sum is σ = 234333738240. Its totient is φ = 23433373728.

The previous prime is 82016808199. The next prime is 82016808239. The reversal of 82016808216 is 61280861028.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244097476 + ... + 244097811.

It is an arithmetic number, because the mean of its divisors is an integer number (7322929320).

Almost surely, 2^82016808216 is an apocalyptic number.

It is an amenable number.

82016808216 is an abundant number, since it is smaller than the sum of its proper divisors (152316930024).

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

82016808216 is a wasteful number, since it uses less digits than its factorization.

82016808216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488195303 (or 488195299 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 82016808216 in words is "eighty-two billion, sixteen million, eight hundred eight thousand, two hundred sixteen".