328549666945823 has 8 divisors (see below), whose sum is σ = 328967018569728. Its totient is φ = 328132580227704.

The previous prime is 328549666945811. The next prime is 328549666945853.

328549666945823 is nontrivially palindromic in base 10.

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 328549666945823 - 2⁴ = 328549666945807 is a prime.

It is a super-2 number, since 2×328549666945823² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328549666945853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63744311 + ... + 68705432.

It is an arithmetic number, because the mean of its divisors is an integer number (41120877321216).

Almost surely, 2^{328549666945823} is an apocalyptic number.

328549666945823 is a deficient number, since it is larger than the sum of its proper divisors (417351623905).

328549666945823 is a wasteful number, since it uses less digits than its factorization.

328549666945823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132452893.

The product of its digits is 16124313600, while the sum is 80.

The spelling of 328549666945823 in words is "three hundred twenty-eight trillion, five hundred forty-nine billion, six hundred sixty-six million, nine hundred forty-five thousand, eight hundred twenty-three".