6570128256 has 64 divisors (see below), whose sum is σ = 18370444800. Its totient is φ = 2074775040.

The previous prime is 6570128249. The next prime is 6570128267. The reversal of 6570128256 is 6528210756.

It is a tau number, because it is divible by the number of its divisors (64).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442960 + ... + 457551.

It is an arithmetic number, because the mean of its divisors is an integer number (287038200).

Almost surely, 2^6570128256 is an apocalyptic number.

It is an amenable number.

6570128256 is an abundant number, since it is smaller than the sum of its proper divisors (11800316544).

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

6570128256 is a wasteful number, since it uses less digits than its factorization.

6570128256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900547 (or 900535 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 6570128256 is about 81056.3276740317. The cubic root of 6570128256 is about 1872.9432385845.

The spelling of 6570128256 in words is "six billion, five hundred seventy million, one hundred twenty-eight thousand, two hundred fifty-six".