117806212108266 has 48 divisors (see below), whose sum is σ = 259041251744352. Its totient is φ = 35690263591840.

The previous prime is 117806212108261. The next prime is 117806212108309. The reversal of 117806212108266 is 662801212608711.

It is a happy number.

It is a super-2 number, since 2×117806212108266² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117806212108261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16499400 + ... + 22535363.

It is an arithmetic number, because the mean of its divisors is an integer number (5396692744674).

Almost surely, 2^{117806212108266} is an apocalyptic number.

117806212108266 is an abundant number, since it is smaller than the sum of its proper divisors (141235039636086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117806212108266 is a wasteful number, since it uses less digits than its factorization.

117806212108266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39038947 (or 39038936 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 117806212108266 in words is "one hundred seventeen trillion, eight hundred six billion, two hundred twelve million, one hundred eight thousand, two hundred sixty-six".