163663227 has 64 divisors (see below), whose sum is σ = 303744000. Its totient is φ = 84789504.

The previous prime is 163663219. The next prime is 163663243. The reversal of 163663227 is 722366361.

163663227 is a `hidden beast` number, since 16 + 3 + 6 + 632 + 2 + 7 = 666.

It is not a de Polignac number, because 163663227 - 2³ = 163663219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163663191 and 163663200.

It is not an unprimeable number, because it can be changed into a prime (163663217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144399 + ... + 145527.

It is an arithmetic number, because the mean of its divisors is an integer number (4746000).

Almost surely, 2^163663227 is an apocalyptic number.

163663227 is a deficient number, since it is larger than the sum of its proper divisors (140080773).

163663227 is a wasteful number, since it uses less digits than its factorization.

163663227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1211 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 163663227 is about 12793.0929411147. The cubic root of 163663227 is about 546.9954368193.

The spelling of 163663227 in words is "one hundred sixty-three million, six hundred sixty-three thousand, two hundred twenty-seven".