163828530866 has 64 divisors (see below), whose sum is σ = 337996060416. Its totient is φ = 57482265600.

The previous prime is 163828530829. The next prime is 163828530913. The reversal of 163828530866 is 668035828361.

163828530866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 915875 + ... + 1080038.

It is an arithmetic number, because the mean of its divisors is an integer number (5281188444).

Almost surely, 2^163828530866 is an apocalyptic number.

163828530866 is an abundant number, since it is smaller than the sum of its proper divisors (174167529550).

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

163828530866 is a wasteful number, since it uses less digits than its factorization.

163828530866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995987.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 163828530866 in words is "one hundred sixty-three billion, eight hundred twenty-eight million, five hundred thirty thousand, eight hundred sixty-six".