82665210768188 has 6 divisors (see below), whose sum is σ = 144664118844336. Its totient is φ = 41332605384092.

The previous prime is 82665210768143. The next prime is 82665210768197. The reversal of 82665210768188 is 88186701256628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10333151346020 + ... + 10333151346027.

It is an arithmetic number, because the mean of its divisors is an integer number (24110686474056).

Almost surely, 2^{82665210768188} is an apocalyptic number.

It is an amenable number.

82665210768188 is a deficient number, since it is larger than the sum of its proper divisors (61998908076148).

82665210768188 is a wasteful number, since it uses less digits than its factorization.

82665210768188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20666302692051 (or 20666302692049 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 68.

The spelling of 82665210768188 in words is "eighty-two trillion, six hundred sixty-five billion, two hundred ten million, seven hundred sixty-eight thousand, one hundred eighty-eight".