868164163 has 4 divisors (see below), whose sum is σ = 868224240. Its totient is φ = 868104088.

The previous prime is 868164149. The next prime is 868164203. The reversal of 868164163 is 361461868.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 868164163 - 2²⁹ = 331293251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868164113) 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, 6258 + ... + 42136.

It is an arithmetic number, because the mean of its divisors is an integer number (217056060).

Almost surely, 2^868164163 is an apocalyptic number.

868164163 is a deficient number, since it is larger than the sum of its proper divisors (60077).

868164163 is a wasteful number, since it uses less digits than its factorization.

868164163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60076.

The product of its digits is 165888, while the sum is 43.

The square root of 868164163 is about 29464.6256212428. The cubic root of 868164163 is about 953.9683176384.

The spelling of 868164163 in words is "eight hundred sixty-eight million, one hundred sixty-four thousand, one hundred sixty-three".