He organized the priests and the Levites to cleanse God’s house. They did so in 16 days.
وَقَدْ نَظَّمَ ٱلْكَهَنَةَ وَٱللَّاوِيِّينَ لِيُطَهِّرُوا بَيْتَ ٱللهِ ،‏ فَٱنْتَهَوْا مِنَ ٱلْعَمَلِ فِي ١٦ يَوْمًا .‏