82666007208852 has 24 divisors (see below), whose sum is σ = 192896912378016. Its totient is φ = 27553969704288.

The previous prime is 82666007208767. The next prime is 82666007208857. The reversal of 82666007208852 is 25880270066628.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82666007208857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170501838 + ... + 170985989.

It is an arithmetic number, because the mean of its divisors is an integer number (8037371349084).

Almost surely, 2^{82666007208852} is an apocalyptic number.

It is an amenable number.

82666007208852 is an abundant number, since it is smaller than the sum of its proper divisors (110230905169164).

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

82666007208852 is a wasteful number, since it uses less digits than its factorization.

82666007208852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341508007 (or 341508005 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 82666007208852 in words is "eighty-two trillion, six hundred sixty-six billion, seven million, two hundred eight thousand, eight hundred fifty-two".