117805166 has 8 divisors (see below), whose sum is σ = 176845680. Its totient is φ = 58856608.

The previous prime is 117805147. The next prime is 117805169. The reversal of 117805166 is 661508711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117805169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19691 + ... + 24966.

It is an arithmetic number, because the mean of its divisors is an integer number (22105710).

Almost surely, 2^117805166 is an apocalyptic number.

117805166 is a deficient number, since it is larger than the sum of its proper divisors (59040514).

117805166 is a wasteful number, since it uses less digits than its factorization.

117805166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45978.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 117805166 is about 10853.8088245556. The cubic root of 117805166 is about 490.2167110277.

The spelling of 117805166 in words is "one hundred seventeen million, eight hundred five thousand, one hundred sixty-six".