82645116 has 12 divisors (see below), whose sum is σ = 192838632. Its totient is φ = 27548368.

The previous prime is 82645111. The next prime is 82645151. The reversal of 82645116 is 61154628.

82645116 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

82645116 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82645111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443535 + ... + 3443558.

It is an arithmetic number, because the mean of its divisors is an integer number (16069886).

Almost surely, 2^82645116 is an apocalyptic number.

It is an amenable number.

82645116 is an abundant number, since it is smaller than the sum of its proper divisors (110193516).

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

82645116 is a wasteful number, since it uses less digits than its factorization.

82645116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887100 (or 6887098 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 82645116 is about 9090.9359254149. The cubic root of 82645116 is about 435.5844805382.

The spelling of 82645116 in words is "eighty-two million, six hundred forty-five thousand, one hundred sixteen".