117986066166 has 32 divisors (see below), whose sum is σ = 242040981600. Its totient is φ = 38329044480.

The previous prime is 117986066137. The next prime is 117986066167. The reversal of 117986066166 is 661660689711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117986066167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438851 + ... + 1518638.

It is an arithmetic number, because the mean of its divisors is an integer number (7563780675).

Almost surely, 2^117986066166 is an apocalyptic number.

117986066166 is an abundant number, since it is smaller than the sum of its proper divisors (124054915434).

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

117986066166 is a wasteful number, since it uses less digits than its factorization.

117986066166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957664.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 117986066166 in words is "one hundred seventeen billion, nine hundred eighty-six million, sixty-six thousand, one hundred sixty-six".