201571161 has 8 divisors (see below), whose sum is σ = 293194464. Its totient is φ = 122164320.

The previous prime is 201571157. The next prime is 201571187. The reversal of 201571161 is 161175102.

201571161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201571161 - 2² = 201571157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201571121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054076 + ... + 3054141.

It is an arithmetic number, because the mean of its divisors is an integer number (36649308).

Almost surely, 2^201571161 is an apocalyptic number.

It is an amenable number.

201571161 is a deficient number, since it is larger than the sum of its proper divisors (91623303).

201571161 is a wasteful number, since it uses less digits than its factorization.

201571161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108231.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 201571161 is about 14197.5758846361. The cubic root of 201571161 is about 586.3309225555.

The spelling of 201571161 in words is "two hundred one million, five hundred seventy-one thousand, one hundred sixty-one".