163875871 has 2 divisors, whose sum is σ = 163875872. Its totient is φ = 163875870.

The previous prime is 163875809. The next prime is 163875883. The reversal of 163875871 is 178578361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163875871 - 2¹⁹ = 163351583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163875071) 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 as a sum of consecutive naturals, namely, 81937935 + 81937936.

It is an arithmetic number, because the mean of its divisors is an integer number (81937936).

Almost surely, 2^163875871 is an apocalyptic number.

163875871 is a deficient number, since it is larger than the sum of its proper divisors (1).

163875871 is an equidigital number, since it uses as much as digits as its factorization.

163875871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 46.

The square root of 163875871 is about 12801.4011342509. The cubic root of 163875871 is about 547.2322339725.

The spelling of 163875871 in words is "one hundred sixty-three million, eight hundred seventy-five thousand, eight hundred seventy-one".