82193206636 has 24 divisors (see below), whose sum is σ = 160314925680. Its totient is φ = 36643410432.

The previous prime is 82193206621. The next prime is 82193206639. The reversal of 82193206636 is 63660239128.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82193206639) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31807225 + ... + 31809808.

It is an arithmetic number, because the mean of its divisors is an integer number (6679788570).

Almost surely, 2^82193206636 is an apocalyptic number.

It is an amenable number.

82193206636 is a deficient number, since it is larger than the sum of its proper divisors (78121719044).

82193206636 is a wasteful number, since it uses less digits than its factorization.

82193206636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63617073 (or 63617071 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 82193206636 in words is "eighty-two billion, one hundred ninety-three million, two hundred six thousand, six hundred thirty-six".