What number is 16161616161616161616161616161616?
I feel you have answered your own question good sir/m'am. But,
if you wish to have the word equivalent, it would be:
16161616161616161616161616161616
Ahem...
sixteen nonillion, one hundred sixty one octillion, six hundred
sixteen heptillion, one hundred sixty one hexillion, six hundred
sixteen pentillion, one hundred sixty one tetrillion, six hundred
sixteen triillion, one hundred sixteen billion, six hundred sixteen
million, one hundred sixteen thousand six hundred and six.
Here's the pre-fixes I used.
two = bi
three = tri
four = tetra
five = penta
six = hexa
seven = hepta
eight = octa
nine = nona