330236161 has 4 divisors (see below), whose sum is σ = 330914752. Its totient is φ = 329557572.

The previous prime is 330236143. The next prime is 330236177. The reversal of 330236161 is 161632033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161632033 = 53 ⋅3049661.

It is a cyclic number.

It is not a de Polignac number, because 330236161 - 2¹⁷ = 330105089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330236111) 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 3 ways as a sum of consecutive naturals, for example, 338565 + ... + 339538.

It is an arithmetic number, because the mean of its divisors is an integer number (82728688).

Almost surely, 2^330236161 is an apocalyptic number.

It is an amenable number.

330236161 is a deficient number, since it is larger than the sum of its proper divisors (678591).

330236161 is an equidigital number, since it uses as much as digits as its factorization.

330236161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678590.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 330236161 is about 18172.4010796592. The cubic root of 330236161 is about 691.2071293965.

Adding to 330236161 its reverse (161632033), we get a palindrome (491868194).

The spelling of 330236161 in words is "three hundred thirty million, two hundred thirty-six thousand, one hundred sixty-one".