328232161 has 8 divisors (see below), whose sum is σ = 335516544. Its totient is φ = 320960400.

The previous prime is 328232131. The next prime is 328232171. The reversal of 328232161 is 161232823.

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 328232161 - 2¹⁵ = 328199393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328232131) 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 in 7 ways as a sum of consecutive naturals, for example, 65791 + ... + 70603.

It is an arithmetic number, because the mean of its divisors is an integer number (41939568).

Almost surely, 2^328232161 is an apocalyptic number.

It is an amenable number.

328232161 is a deficient number, since it is larger than the sum of its proper divisors (7284383).

328232161 is a wasteful number, since it uses less digits than its factorization.

328232161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311.

The product of its digits is 3456, while the sum is 28.

The square root of 328232161 is about 18117.1786158883. The cubic root of 328232161 is about 689.8061214018.

Adding to 328232161 its reverse (161232823), we get a palindrome (489464984).

The spelling of 328232161 in words is "three hundred twenty-eight million, two hundred thirty-two thousand, one hundred sixty-one".