82166348159 has 4 divisors (see below), whose sum is σ = 93904397904. Its totient is φ = 70428298416.

The previous prime is 82166348123. The next prime is 82166348167. The reversal of 82166348159 is 95184366128.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82166348159 - 2¹² = 82166344063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82166348159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82166348189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5869024862 + ... + 5869024875.

It is an arithmetic number, because the mean of its divisors is an integer number (23476099476).

Almost surely, 2^82166348159 is an apocalyptic number.

82166348159 is a deficient number, since it is larger than the sum of its proper divisors (11738049745).

82166348159 is a wasteful number, since it uses less digits than its factorization.

82166348159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11738049744.

The product of its digits is 2488320, while the sum is 53.

The spelling of 82166348159 in words is "eighty-two billion, one hundred sixty-six million, three hundred forty-eight thousand, one hundred fifty-nine".