6256566628 has 48 divisors (see below), whose sum is σ = 12350257920. Its totient is φ = 2751686784.

The previous prime is 6256566619. The next prime is 6256566637. The reversal of 6256566628 is 8266656526.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6256566619) and next prime (6256566637).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312001 + ... + 331447.

It is an arithmetic number, because the mean of its divisors is an integer number (257297040).

Almost surely, 2^6256566628 is an apocalyptic number.

It is an amenable number.

6256566628 is a deficient number, since it is larger than the sum of its proper divisors (6093691292).

6256566628 is a wasteful number, since it uses less digits than its factorization.

6256566628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19756 (or 19754 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 52.

The square root of 6256566628 is about 79098.4616032449. The cubic root of 6256566628 is about 1842.6606345715.

The spelling of 6256566628 in words is "six billion, two hundred fifty-six million, five hundred sixty-six thousand, six hundred twenty-eight".