6256566630 has 64 divisors (see below), whose sum is σ = 17222400000. Its totient is φ = 1614595680.

The previous prime is 6256566619. The next prime is 6256566637. The reversal of 6256566630 is 366656526.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6256566637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365380 + ... + 382119.

It is an arithmetic number, because the mean of its divisors is an integer number (269100000).

Almost surely, 2^6256566630 is an apocalyptic number.

6256566630 is an abundant number, since it is smaller than the sum of its proper divisors (10965833370).

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

6256566630 is a wasteful number, since it uses less digits than its factorization.

6256566630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747546 (or 747540 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The square root of 6256566630 is about 79098.4616158873. The cubic root of 6256566630 is about 1842.6606347679.

The spelling of 6256566630 in words is "six billion, two hundred fifty-six million, five hundred sixty-six thousand, six hundred thirty".