82158196813 has 16 divisors (see below), whose sum is σ = 102479270400. Its totient is φ = 63989204400.

The previous prime is 82158196763. The next prime is 82158196817. The reversal of 82158196813 is 31869185128.

It is not a de Polignac number, because 82158196813 - 2⁹ = 82158196301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82158196817) 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 15 ways as a sum of consecutive naturals, for example, 86263 + ... + 414436.

It is an arithmetic number, because the mean of its divisors is an integer number (6404954400).

Almost surely, 2^82158196813 is an apocalyptic number.

It is an amenable number.

82158196813 is a deficient number, since it is larger than the sum of its proper divisors (20321073587).

82158196813 is a wasteful number, since it uses less digits than its factorization.

82158196813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502848.

The product of its digits is 829440, while the sum is 52.

It can be divided in two parts, 8215 and 8196813, that added together give a palindrome (8205028).

The spelling of 82158196813 in words is "eighty-two billion, one hundred fifty-eight million, one hundred ninety-six thousand, eight hundred thirteen".