8169680168 has 32 divisors (see below), whose sum is σ = 16500879360. Its totient is φ = 3769613760.

The previous prime is 8169680159. The next prime is 8169680221. The reversal of 8169680168 is 8610869618.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 498521 + ... + 514647.

It is an arithmetic number, because the mean of its divisors is an integer number (515652480).

Almost surely, 2^8169680168 is an apocalyptic number.

It is an amenable number.

8169680168 is an abundant number, since it is smaller than the sum of its proper divisors (8331199192).

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

8169680168 is a wasteful number, since it uses less digits than its factorization.

8169680168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21017 (or 21013 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The square root of 8169680168 is about 90386.2830743692. The cubic root of 8169680168 is about 2014.0412055812.

The spelling of 8169680168 in words is "eight billion, one hundred sixty-nine million, six hundred eighty thousand, one hundred sixty-eight".