328845164645 has 8 divisors (see below), whose sum is σ = 394617667704. Its totient is φ = 263073818304.

The previous prime is 328845164623. The next prime is 328845164663. The reversal of 328845164645 is 546461548823.

It can be written as a sum of positive squares in 4 ways, for example, as 27451850596 + 301393314049 = 165686^2 + 548993^2 .

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 328845164645 - 2¹² = 328845160549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566387 + ... + 989183.

It is an arithmetic number, because the mean of its divisors is an integer number (49327208463).

Almost surely, 2^328845164645 is an apocalyptic number.

It is an amenable number.

328845164645 is a deficient number, since it is larger than the sum of its proper divisors (65772503059).

328845164645 is a wasteful number, since it uses less digits than its factorization.

328845164645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578359.

The product of its digits is 22118400, while the sum is 56.

The spelling of 328845164645 in words is "three hundred twenty-eight billion, eight hundred forty-five million, one hundred sixty-four thousand, six hundred forty-five".