328183666560 has 192 divisors, whose sum is σ = 1150174892880. Its totient is φ = 86209339392.

The previous prime is 328183666549. The next prime is 328183666567. The reversal of 328183666560 is 65666381823.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 328183666497 and 328183666506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328183666567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39277 + ... + 811116.

Almost surely, 2^328183666560 is an apocalyptic number.

328183666560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328183666560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575087446440).

328183666560 is an abundant number, since it is smaller than the sum of its proper divisors (821991226320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328183666560 is a wasteful number, since it uses less digits than its factorization.

328183666560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850485 (or 850470 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 328183666560 in words is "three hundred twenty-eight billion, one hundred eighty-three million, six hundred sixty-six thousand, five hundred sixty".