865952168 has 8 divisors (see below), whose sum is σ = 1623660330. Its totient is φ = 432976080.

The previous prime is 865952161. The next prime is 865952179. The reversal of 865952168 is 861259568.

865952168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 535367044 + 330585124 = 23138^2 + 18182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (865952161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54122003 + ... + 54122018.

Almost surely, 2^865952168 is an apocalyptic number.

It is an amenable number.

865952168 is a deficient number, since it is larger than the sum of its proper divisors (757708162).

865952168 is a wasteful number, since it uses less digits than its factorization.

865952168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108244027 (or 108244023 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 50.

The square root of 865952168 is about 29427.0652291390. The cubic root of 865952168 is about 953.1574234359.

The spelling of 865952168 in words is "eight hundred sixty-five million, nine hundred fifty-two thousand, one hundred sixty-eight".