[2015-01-18]. (原始内容存档于2021-04-28). Chris Caldwell, The Top Twenty: FibonacciNumber (页面存档备份,存于互联网档案馆) from the Prime Pages. Retrieved 2009-11-21. N. MacKinnon
Niven numbers, Fibonacci Quart. 32 (1994), 174-175 Jean-Marie De Koninck and Nicolas Doyon, On the number of Niven numbers up to x, Fibonacci Quart. Volume