Sahih Bukhari
Invocations
Volume: 008 / Book Number: 075 / Hadith Number: 419
Narrated Abu Huraira:
Allah has ninety-nine Names, i.e., one hundred minus one, and whoever believes in their meanings and acts accordingly, will enter Paradise; and Allah is Witr (one) and loves 'the Witr' (i.e., odd numbers).