328645603486560 has 96 divisors (see below), whose sum is σ = 1035236855907072. Its totient is φ = 87638556280320.

The previous prime is 328645603486549. The next prime is 328645603486567. The reversal of 328645603486560 is 65684306546823.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 328645603486491 and 328645603486500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328645603486567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189982647 + ... + 191704713.

It is an arithmetic number, because the mean of its divisors is an integer number (10783717249032).

Almost surely, 2^{328645603486560} is an apocalyptic number.

328645603486560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328645603486560 is an abundant number, since it is smaller than the sum of its proper divisors (706591252420512).

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

328645603486560 is a wasteful number, since it uses less digits than its factorization.

328645603486560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119676 (or 2119668 counting only the distinct ones).

The product of its (nonzero) digits is 597196800, while the sum is 66.

The spelling of 328645603486560 in words is "three hundred twenty-eight trillion, six hundred forty-five billion, six hundred three million, four hundred eighty-six thousand, five hundred sixty".