328240165 has 16 divisors (see below), whose sum is σ = 454973760. Its totient is φ = 224677120.

The previous prime is 328240163. The next prime is 328240201. The reversal of 328240165 is 561042823.

It is not a de Polignac number, because 328240165 - 2¹ = 328240163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328240163) 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 15 ways as a sum of consecutive naturals, for example, 174595 + ... + 176464.

It is an arithmetic number, because the mean of its divisors is an integer number (28435860).

Almost surely, 2^328240165 is an apocalyptic number.

It is an amenable number.

328240165 is a deficient number, since it is larger than the sum of its proper divisors (126733595).

328240165 is a wasteful number, since it uses less digits than its factorization.

328240165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351092.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 328240165 is about 18117.3995098634. The cubic root of 328240165 is about 689.8117283715.

Adding to 328240165 its reverse (561042823), we get a palindrome (889282988).

The spelling of 328240165 in words is "three hundred twenty-eight million, two hundred forty thousand, one hundred sixty-five".