328160745 has 24 divisors (see below), whose sum is σ = 620523072. Its totient is φ = 159108000.

The previous prime is 328160689. The next prime is 328160747. The reversal of 328160745 is 547061823.

328160745 is a `hidden beast` number, since 3 + 2 + 8 + 1 + 607 + 45 = 666.

It is not a de Polignac number, because 328160745 - 2⁶ = 328160681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328160747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330981 + ... + 331970.

It is an arithmetic number, because the mean of its divisors is an integer number (25855128).

Almost surely, 2^328160745 is an apocalyptic number.

It is an amenable number.

328160745 is a deficient number, since it is larger than the sum of its proper divisors (292362327).

328160745 is a wasteful number, since it uses less digits than its factorization.

328160745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662973 (or 662970 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 328160745 is about 18115.2075616041. The cubic root of 328160745 is about 689.7560889623.

The spelling of 328160745 in words is "three hundred twenty-eight million, one hundred sixty thousand, seven hundred forty-five".