163920027 has 16 divisors (see below), whose sum is σ = 225008640. Its totient is φ = 106070112.

The previous prime is 163920007. The next prime is 163920047. The reversal of 163920027 is 720029361.

163920027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163920007) and next prime (163920047).

It is not a de Polignac number, because 163920027 - 2⁶ = 163919963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163919976 and 163920003.

It is not an unprimeable number, because it can be changed into a prime (163920007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51628 + ... + 54710.

It is an arithmetic number, because the mean of its divisors is an integer number (14063040).

Almost surely, 2^163920027 is an apocalyptic number.

163920027 is a deficient number, since it is larger than the sum of its proper divisors (61088613).

163920027 is a wasteful number, since it uses less digits than its factorization.

163920027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 163920027 is about 12803.1256730534. The cubic root of 163920027 is about 547.2813797404.

Adding to 163920027 its reverse (720029361), we get a palindrome (883949388).

The spelling of 163920027 in words is "one hundred sixty-three million, nine hundred twenty thousand, twenty-seven".