164

Previous  ... Next

Number

$164$ (one hundred and sixty-four) is:

$2^2 \times 41$

The $5$th positive integer solution after $1, 3, 15, 104$ to $\map \phi n = \map \phi {n + 1}$:

$\map \phi {164} = 80 = \map \phi {165}$

Also see

• Previous  ... Next: Consecutive Integers with Same Euler Phi Value