display reverse integer number in C#

using System;

public class DoWhileDemo {
public static void Main() {
int num;
int nextdigit;

num = 198;

Console.WriteLine("Number: " + num);

Console.Write("Number in reverse order: ");

do {
nextdigit = num % 10;
Console.Write(nextdigit);
num = num / 10;
} while(num > 0);

Console.WriteLine();
}
}