The Sixteenth Night Prayer: Twelve units with Surah al-Faatehah once and Surah al-Takathur (No. 102) twelve times.
The Sixteenth Day Supplication
اَللّٰهُمَّ وَفِّقْنِي فِيهِ لِمُوَافَقَةِ الْاَبْرَارِ
allaahumma waffiqnee feehi li-muwaafaqatil abraar
O Allah associate me, in this month, with the alliance of the pious,
وَ جَنِّبْنِي فِيهِ مُرَافَقَةَ الْاَشْرَارِ
wa jaannibnee feehi muraafaqatal ashraar
disconnect me from the hegemony of the mischief makers,
وَ آوِنِي فِيهِ بِرَحْمَتِكَ اِلَى [فِي] دَارِ الْقَرَارِ
wa aawinee feehi bi-rah’matika ilaa daaril qaraar
and through Your Mercy welcome me with open arms in the promised land of secure dwelling,
بِاِلَهِيَّتِكَ يَا اِلَهَ الْعَالَمِينَ
bi-ilaahiyatika yaa ilaahal a’alameen