title: MYSQL to auto increment a 16 digit number for each entry
body: <p>I am wanting MYSQL to assign a 16 digit number for each entry as it will be used for a private credit card service. How do I do this?? </p>
  
  <p>I had set the field which is called id to auto-increment and bigint but it still only assigns the numbers in order starting with 1. </p>
  
  <p>I am needing the numbers to be 16 digits long and random. </p>
  
  <p>Please help! </p>