328243845655 has 48 divisors (see below), whose sum is σ = 445291699104. Its totient is φ = 231968000000.

The previous prime is 328243845617. The next prime is 328243845661. The reversal of 328243845655 is 556548342823.

It is not a de Polignac number, because 328243845655 - 2³⁵ = 293884107287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328243845596 and 328243845605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6199695 + ... + 6252415.

It is an arithmetic number, because the mean of its divisors is an integer number (9276910398).

Almost surely, 2^328243845655 is an apocalyptic number.

328243845655 is a deficient number, since it is larger than the sum of its proper divisors (117047853449).

328243845655 is a wasteful number, since it uses less digits than its factorization.

328243845655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53040 (or 53029 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 55.

The spelling of 328243845655 in words is "three hundred twenty-eight billion, two hundred forty-three million, eight hundred forty-five thousand, six hundred fifty-five".