168

Number
$168$ (one hundred and sixty-eight) is:


 * $2^3 \times 3 \times 7$


 * The smallest positive integer which can be expressed as the sum of $2$ odd primes in $13$ ways.


 * The $1$st element of the $1$st set of $3$ integers $T$ such that $m \tau \left({m}\right)$ is equal for each $m \in T$:
 * $168 \times \tau \left({168}\right) = 192 \times \tau \left({192}\right) = 224 \times \tau \left({224}\right) = 2688$

Also see