82319355646 has 16 divisors (see below), whose sum is σ = 142628189040. Its totient is φ = 35216836480.

The previous prime is 82319355641. The next prime is 82319355667. The reversal of 82319355646 is 64655391328.

It is a junction number, because it is equal to n+sod(n) for n = 82319355593 and 82319355602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82319355641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110052241 + ... + 110052988.

It is an arithmetic number, because the mean of its divisors is an integer number (8914261815).

Almost surely, 2^82319355646 is an apocalyptic number.

82319355646 is a deficient number, since it is larger than the sum of its proper divisors (60308833394).

82319355646 is a wasteful number, since it uses less digits than its factorization.

82319355646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220105259.

The product of its digits is 4665600, while the sum is 52.

The spelling of 82319355646 in words is "eighty-two billion, three hundred nineteen million, three hundred fifty-five thousand, six hundred forty-six".