117966 has 8 divisors (see below), whose sum is σ = 235944. Its totient is φ = 39320.

The previous prime is 117959. The next prime is 117973. The reversal of 117966 is 669711.

It is an interprime number because it is at equal distance from previous prime (117959) and next prime (117973).

It is a sphenic number, since it is the product of 3 distinct primes.

117966 is an admirable number.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

117966 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9825 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (29493).

2¹¹⁷⁹⁶⁶ is an apocalyptic number.

117966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117966 is a wasteful number, since it uses less digits than its factorization.

117966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19666.

The product of its digits is 2268, while the sum is 30.

The square root of 117966 is about 343.4617882676. The cubic root of 117966 is about 49.0439699724.

The spelling of 117966 in words is "one hundred seventeen thousand, nine hundred sixty-six".