163163867 has 4 divisors (see below), whose sum is σ = 163190160. Its totient is φ = 163137576.

The previous prime is 163163857. The next prime is 163163873. The reversal of 163163867 is 768361361.

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 163163867 - 2²² = 158969563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163163857) 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, 1913 + ... + 18165.

It is an arithmetic number, because the mean of its divisors is an integer number (40797540).

Almost surely, 2^163163867 is an apocalyptic number.

163163867 is a deficient number, since it is larger than the sum of its proper divisors (26293).

163163867 is a wasteful number, since it uses less digits than its factorization.

163163867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26292.

The product of its digits is 108864, while the sum is 41.

The square root of 163163867 is about 12773.5612497064. The cubic root of 163163867 is about 546.4385495201.

The spelling of 163163867 in words is "one hundred sixty-three million, one hundred sixty-three thousand, eight hundred sixty-seven".