330161 has 8 divisors (see below), whose sum is σ = 360360. Its totient is φ = 300672.

The previous prime is 330149. The next prime is 330167. The reversal of 330161 is 161033.

It can be written as a sum of positive squares in 4 ways, for example, as 6400 + 323761 = 80^2 + 569^2 .

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 330161 - 2⁶ = 330097 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 330161.

It is not an unprimeable number, because it can be changed into a prime (330167) 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, 1301 + ... + 1533.

It is an arithmetic number, because the mean of its divisors is an integer number (45045).

2³³⁰¹⁶¹ is an apocalyptic number.

It is an amenable number.

330161 is a deficient number, since it is larger than the sum of its proper divisors (30199).

330161 is a wasteful number, since it uses less digits than its factorization.

330161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 330161 is about 574.5963800791. The cubic root of 330161 is about 69.1154686360.

Adding to 330161 its reverse (161033), we get a palindrome (491194).

The spelling of 330161 in words is "three hundred thirty thousand, one hundred sixty-one".