82066204084 has 6 divisors (see below), whose sum is σ = 143615857154. Its totient is φ = 41033102040.

The previous prime is 82066204069. The next prime is 82066204093. The reversal of 82066204084 is 48040266028.

It can be written as a sum of positive squares in only one way, i.e., 71594775184 + 10471428900 = 267572^2 + 102330^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10258275507 + ... + 10258275514.

Almost surely, 2^82066204084 is an apocalyptic number.

It is an amenable number.

82066204084 is a deficient number, since it is larger than the sum of its proper divisors (61549653070).

82066204084 is a wasteful number, since it uses less digits than its factorization.

82066204084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20516551025 (or 20516551023 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 82066204084 in words is "eighty-two billion, sixty-six million, two hundred four thousand, eighty-four".