82664618324 has 6 divisors (see below), whose sum is σ = 144663082074. Its totient is φ = 41332309160.

The previous prime is 82664618293. The next prime is 82664618327. The reversal of 82664618324 is 42381646628.

It can be written as a sum of positive squares in only one way, i.e., 70533798724 + 12130819600 = 265582^2 + 110140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82664618327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10333077287 + ... + 10333077294.

It is an arithmetic number, because the mean of its divisors is an integer number (24110513679).

Almost surely, 2^82664618324 is an apocalyptic number.

It is an amenable number.

82664618324 is a deficient number, since it is larger than the sum of its proper divisors (61998463750).

82664618324 is a wasteful number, since it uses less digits than its factorization.

82664618324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20666154585 (or 20666154583 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 50.

The spelling of 82664618324 in words is "eighty-two billion, six hundred sixty-four million, six hundred eighteen thousand, three hundred twenty-four".