328065616 has 10 divisors (see below), whose sum is σ = 635627162. Its totient is φ = 164032800.

The previous prime is 328065607. The next prime is 328065623. The reversal of 328065616 is 616560823.

It can be written as a sum of positive squares in only one way, i.e., 239630400 + 88435216 = 15480^2 + 9404^2 .

It is a congruent number.

It is an unprimeable number.

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, 10252035 + ... + 10252066.

Almost surely, 2^328065616 is an apocalyptic number.

It is an amenable number.

328065616 is a deficient number, since it is larger than the sum of its proper divisors (307561546).

328065616 is a wasteful number, since it uses less digits than its factorization.

328065616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20504109 (or 20504103 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 328065616 is about 18112.5817044396. The cubic root of 328065616 is about 689.6894324539.

The spelling of 328065616 in words is "three hundred twenty-eight million, sixty-five thousand, six hundred sixteen".