163887922 has 16 divisors (see below), whose sum is σ = 283956192. Its totient is φ = 70112320.

The previous prime is 163887883. The next prime is 163887923. The reversal of 163887922 is 229788361.

163887922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (163887923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218728 + ... + 219475.

It is an arithmetic number, because the mean of its divisors is an integer number (17747262).

Almost surely, 2^163887922 is an apocalyptic number.

163887922 is a deficient number, since it is larger than the sum of its proper divisors (120068270).

163887922 is a wasteful number, since it uses less digits than its factorization.

163887922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438233.

The product of its digits is 290304, while the sum is 46.

The square root of 163887922 is about 12801.8718162619. The cubic root of 163887922 is about 547.2456476495.

It can be divided in two parts, 16388 and 7922, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 163887922 in words is "one hundred sixty-three million, eight hundred eighty-seven thousand, nine hundred twenty-two".