200163561 has 16 divisors (see below), whose sum is σ = 288153600. Its totient is φ = 122860800.

The previous prime is 200163541. The next prime is 200163569. The reversal of 200163561 is 165361002.

It is not a de Polignac number, because 200163561 - 2⁵ = 200163529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200163569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9240 + ... + 22038.

It is an arithmetic number, because the mean of its divisors is an integer number (18009600).

Almost surely, 2^200163561 is an apocalyptic number.

It is an amenable number.

200163561 is a deficient number, since it is larger than the sum of its proper divisors (87990039).

200163561 is a wasteful number, since it uses less digits than its factorization.

200163561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13216.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 200163561 is about 14147.9171965346. The cubic root of 200163561 is about 584.9629226263.

The spelling of 200163561 in words is "two hundred million, one hundred sixty-three thousand, five hundred sixty-one".