204033161 has 8 divisors (see below), whose sum is σ = 213126144. Its totient is φ = 194958720.

The previous prime is 204033149. The next prime is 204033239. The reversal of 204033161 is 161330402.

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 204033161 - 2¹⁰ = 204032137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204033101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20921 + ... + 29081.

It is an arithmetic number, because the mean of its divisors is an integer number (26640768).

Almost surely, 2^204033161 is an apocalyptic number.

It is an amenable number.

204033161 is a deficient number, since it is larger than the sum of its proper divisors (9092983).

204033161 is a wasteful number, since it uses less digits than its factorization.

204033161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 204033161 is about 14284.0176771103. The cubic root of 204033161 is about 588.7084271864.

Adding to 204033161 its reverse (161330402), we get a palindrome (365363563).

The spelling of 204033161 in words is "two hundred four million, thirty-three thousand, one hundred sixty-one".