163795871 has 2 divisors, whose sum is σ = 163795872. Its totient is φ = 163795870.

The previous prime is 163795829. The next prime is 163795889. The reversal of 163795871 is 178597361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163795871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163795171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81897935 + 81897936.

It is an arithmetic number, because the mean of its divisors is an integer number (81897936).

Almost surely, 2^163795871 is an apocalyptic number.

163795871 is a deficient number, since it is larger than the sum of its proper divisors (1).

163795871 is an equidigital number, since it uses as much as digits as its factorization.

163795871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 47.

The square root of 163795871 is about 12798.2760948496. The cubic root of 163795871 is about 547.1431712280.

The spelling of 163795871 in words is "one hundred sixty-three million, seven hundred ninety-five thousand, eight hundred seventy-one".