117765166 has 8 divisors (see below), whose sum is σ = 177182424. Its totient is φ = 58704360.

The previous prime is 117765149. The next prime is 117765169. The reversal of 117765166 is 661567711.

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 (117765169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88285 + ... + 89608.

It is an arithmetic number, because the mean of its divisors is an integer number (22147803).

Almost surely, 2^117765166 is an apocalyptic number.

117765166 is a deficient number, since it is larger than the sum of its proper divisors (59417258).

117765166 is a wasteful number, since it uses less digits than its factorization.

117765166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178226.

The product of its digits is 52920, while the sum is 40.

The square root of 117765166 is about 10851.9659969980. The cubic root of 117765166 is about 490.1612214176.

The spelling of 117765166 in words is "one hundred seventeen million, seven hundred sixty-five thousand, one hundred sixty-six".