163795887 has 12 divisors (see below), whose sum is σ = 236824744. Its totient is φ = 109090800.

The previous prime is 163795871. The next prime is 163795889. The reversal of 163795887 is 788597361.

It is not a de Polignac number, because 163795887 - 2⁴ = 163795871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163795889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1512 + ... + 18162.

Almost surely, 2^163795887 is an apocalyptic number.

163795887 is a deficient number, since it is larger than the sum of its proper divisors (73028857).

163795887 is a wasteful number, since it uses less digits than its factorization.

163795887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17750 (or 17747 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 163795887 is about 12798.2767199338. The cubic root of 163795887 is about 547.1431890434.

The spelling of 163795887 in words is "one hundred sixty-three million, seven hundred ninety-five thousand, eight hundred eighty-seven".