159766166 has 24 divisors (see below), whose sum is σ = 280346976. Its totient is φ = 68085360.

The previous prime is 159766163. The next prime is 159766171. The reversal of 159766166 is 661667951.

It is a happy number.

159766166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 159766166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159766163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13235 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (11681124).

Almost surely, 2^159766166 is an apocalyptic number.

159766166 is a deficient number, since it is larger than the sum of its proper divisors (120580810).

159766166 is a wasteful number, since it uses less digits than its factorization.

159766166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9204 (or 9197 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 159766166 is about 12639.8641606625. The cubic root of 159766166 is about 542.6189264072.

The spelling of 159766166 in words is "one hundred fifty-nine million, seven hundred sixty-six thousand, one hundred sixty-six".