6570656 has 48 divisors (see below), whose sum is σ = 13880160. Its totient is φ = 3052800.

The previous prime is 6570649. The next prime is 6570661. The reversal of 6570656 is 6560756.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61355 + ... + 61461.

It is an arithmetic number, because the mean of its divisors is an integer number (289170).

Almost surely, 2^6570656 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 6570656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6940080).

6570656 is an abundant number, since it is smaller than the sum of its proper divisors (7309504).

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

6570656 is a wasteful number, since it uses less digits than its factorization.

6570656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 6570656 is about 2563.3290853888. The cubic root of 6570656 is about 187.2993385150.

The spelling of 6570656 in words is "six million, five hundred seventy thousand, six hundred fifty-six".