163472889 has 16 divisors (see below), whose sum is σ = 226197504. Its totient is φ = 104902800.

The previous prime is 163472879. The next prime is 163472917. The reversal of 163472889 is 988274361.

It is not a de Polignac number, because 163472889 - 2⁴ = 163472873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163472849) 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, 13162 + ... + 22364.

It is an arithmetic number, because the mean of its divisors is an integer number (14137344).

Almost surely, 2^163472889 is an apocalyptic number.

It is an amenable number.

163472889 is a deficient number, since it is larger than the sum of its proper divisors (62724615).

163472889 is a wasteful number, since it uses less digits than its factorization.

163472889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428.

The product of its digits is 580608, while the sum is 48.

The square root of 163472889 is about 12785.6516846033. The cubic root of 163472889 is about 546.7833052642.

The spelling of 163472889 in words is "one hundred sixty-three million, four hundred seventy-two thousand, eight hundred eighty-nine".