#!/bin/bash
T="116645"
day=$(($T/86400))
hour=`printf %02d $((($T/3600)-($day*24)))`
h=$((($T/3600)-($day*24)))
min=`printf %02d $((($T/60)-($day*24)-($h*60)-($day*1416)))`
sec=`printf %02d $(($T-($T/60)*60))`

echo "$day.$hour:$min:$sec"