166882873556 has 24 divisors (see below), whose sum is σ = 333940326720. Its totient is φ = 71483821632.

The previous prime is 166882873529. The next prime is 166882873571. The reversal of 166882873556 is 655378288661.

166882873556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166882873492 and 166882873501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504226 + ... + 1611353.

It is an arithmetic number, because the mean of its divisors is an integer number (13914180280).

Almost surely, 2^166882873556 is an apocalyptic number.

It is an amenable number.

166882873556 is an abundant number, since it is smaller than the sum of its proper divisors (167057453164).

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

166882873556 is a wasteful number, since it uses less digits than its factorization.

166882873556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117503 (or 3117501 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 65.

The spelling of 166882873556 in words is "one hundred sixty-six billion, eight hundred eighty-two million, eight hundred seventy-three thousand, five hundred fifty-six".