201433161 has 8 divisors (see below), whose sum is σ = 268725600. Its totient is φ = 134214752.

The previous prime is 201433157. The next prime is 201433181. The reversal of 201433161 is 161334102.

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

It is a cyclic number.

It is not a de Polignac number, because 201433161 - 2² = 201433157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201433121) 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, 11811 + ... + 23288.

It is an arithmetic number, because the mean of its divisors is an integer number (33590700).

Almost surely, 2^201433161 is an apocalyptic number.

It is an amenable number.

201433161 is a deficient number, since it is larger than the sum of its proper divisors (67292439).

201433161 is a wasteful number, since it uses less digits than its factorization.

201433161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37015.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 201433161 is about 14192.7150679495. The cubic root of 201433161 is about 586.1970870422.

Adding to 201433161 its reverse (161334102), we get a palindrome (362767263).

The spelling of 201433161 in words is "two hundred one million, four hundred thirty-three thousand, one hundred sixty-one".