163830918 has 16 divisors (see below), whose sum is σ = 338960880. Its totient is φ = 52727136.

The previous prime is 163830899. The next prime is 163830941. The reversal of 163830918 is 819038361.

163830918 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 470605 + ... + 470952.

It is an arithmetic number, because the mean of its divisors is an integer number (21185055).

Almost surely, 2^163830918 is an apocalyptic number.

163830918 is an abundant number, since it is smaller than the sum of its proper divisors (175129962).

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

163830918 is a wasteful number, since it uses less digits than its factorization.

163830918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941591.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 163830918 is about 12799.6452294585. The cubic root of 163830918 is about 547.1821920716.

The spelling of 163830918 in words is "one hundred sixty-three million, eight hundred thirty thousand, nine hundred eighteen".