330240161 has 2 divisors, whose sum is σ = 330240162. Its totient is φ = 330240160.

The previous prime is 330240149. The next prime is 330240167. The reversal of 330240161 is 161042033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304677025 + 25563136 = 17455^2 + 5056^2 .

It is an emirp because it is prime and its reverse (161042033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330240161 - 2¹⁰ = 330239137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (330240167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165120080 + 165120081.

It is an arithmetic number, because the mean of its divisors is an integer number (165120081).

Almost surely, 2^330240161 is an apocalyptic number.

It is an amenable number.

330240161 is a deficient number, since it is larger than the sum of its proper divisors (1).

330240161 is an equidigital number, since it uses as much as digits as its factorization.

330240161 is an odious number, because the sum of its binary digits is odd.

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

The square root of 330240161 is about 18172.5111363290. The cubic root of 330240161 is about 691.2099201441.

Adding to 330240161 its reverse (161042033), we get a palindrome (491282194).

The spelling of 330240161 in words is "three hundred thirty million, two hundred forty thousand, one hundred sixty-one".