328609561544160 has 192 divisors, whose sum is σ = 1180317963972672. Its totient is φ = 76130359934976.

The previous prime is 328609561544153. The next prime is 328609561544197. The reversal of 328609561544160 is 61445165906823.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 328609561544094 and 328609561544103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1548770059 + ... + 1548982218.

It is an arithmetic number, because the mean of its divisors is an integer number (6147489395691).

Almost surely, 2^{328609561544160} is an apocalyptic number.

328609561544160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328609561544160 is an abundant number, since it is smaller than the sum of its proper divisors (851708402428512).

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

328609561544160 is a wasteful number, since it uses less digits than its factorization.

328609561544160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097752325 (or 3097752317 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 60.

The spelling of 328609561544160 in words is "three hundred twenty-eight trillion, six hundred nine billion, five hundred sixty-one million, five hundred forty-four thousand, one hundred sixty".