200189171 has 32 divisors (see below), whose sum is σ = 259918848. Its totient is φ = 149846400.

The previous prime is 200189153. The next prime is 200189179. The reversal of 200189171 is 171981002.

It is a cyclic number.

It is not a de Polignac number, because 200189171 - 2¹⁰ = 200188147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200189179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210920 + ... + 211866.

It is an arithmetic number, because the mean of its divisors is an integer number (8122464).

Almost surely, 2^200189171 is an apocalyptic number.

200189171 is a deficient number, since it is larger than the sum of its proper divisors (59729677).

200189171 is a wasteful number, since it uses less digits than its factorization.

200189171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 200189171 is about 14148.8222478056. The cubic root of 200189171 is about 584.9878693274.

The spelling of 200189171 in words is "two hundred million, one hundred eighty-nine thousand, one hundred seventy-one".