82686537076660 has 96 divisors (see below), whose sum is σ = 197857300838400. Its totient is φ = 28732308570240.

The previous prime is 82686537076643. The next prime is 82686537076669. The reversal of 82686537076660 is 6667073568628.

It is a self number, because there is not a number n which added to its sum of digits gives 82686537076660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82686537076669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2862120 + ... + 13174399.

It is an arithmetic number, because the mean of its divisors is an integer number (2061013550400).

Almost surely, 2^{82686537076660} is an apocalyptic number.

It is an amenable number.

82686537076660 is an abundant number, since it is smaller than the sum of its proper divisors (115170763761740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82686537076660 is a wasteful number, since it uses less digits than its factorization.

82686537076660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16037581 (or 16037579 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 70.

The spelling of 82686537076660 in words is "eighty-two trillion, six hundred eighty-six billion, five hundred thirty-seven million, seventy-six thousand, six hundred sixty".