6256646648 has 32 divisors (see below), whose sum is σ = 14112739200. Its totient is φ = 2540292192.

The previous prime is 6256646623. The next prime is 6256646677. The reversal of 6256646648 is 8466466526.

It is a self number, because there is not a number n which added to its sum of digits gives 6256646648.

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, 2939090 + ... + 2941217.

It is an arithmetic number, because the mean of its divisors is an integer number (441023100).

Almost surely, 2^6256646648 is an apocalyptic number.

It is an amenable number.

6256646648 is an abundant number, since it is smaller than the sum of its proper divisors (7856092552).

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

6256646648 is a wasteful number, since it uses less digits than its factorization.

6256646648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880339 (or 5880335 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 53.

The square root of 6256646648 is about 79098.9674268887. The cubic root of 6256646648 is about 1842.6684902685.

The spelling of 6256646648 in words is "six billion, two hundred fifty-six million, six hundred forty-six thousand, six hundred forty-eight".