6578345111328 has 144 divisors (see below), whose sum is σ = 19030665981600. Its totient is φ = 2155136458752.

The previous prime is 6578345111291. The next prime is 6578345111369. The reversal of 6578345111328 is 8231115438756.

6578345111328 is a `hidden beast` number, since 6 + 5 + 78 + 3 + 451 + 113 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3900523 + ... + 5326421.

It is an arithmetic number, because the mean of its divisors is an integer number (132157402650).

Almost surely, 2^{6578345111328} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6578345111328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9515332990800).

6578345111328 is an abundant number, since it is smaller than the sum of its proper divisors (12452320870272).

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

6578345111328 is a wasteful number, since it uses less digits than its factorization.

6578345111328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426191 (or 1426180 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 6578345111328 in words is "six trillion, five hundred seventy-eight billion, three hundred forty-five million, one hundred eleven thousand, three hundred twenty-eight".