The evilest number 666^{666} has 1881 digits. Let a be the sum of digits of 666^{666} and let b be the sum of digits of a and let c be the sum of digits of b. Find c
The evilest number 666^{666} has 1881 digits. Let a be the sum of digits of 666^{666} and let b be the sum of digits of a and let c be the sum of digits of b. Find c