6267798656 has 128 divisors (see below), whose sum is σ = 14712969600. Its totient is φ = 2604146688.

The previous prime is 6267798587. The next prime is 6267798659. The reversal of 6267798656 is 6568977626.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6267798659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4225691 + ... + 4227173.

It is an arithmetic number, because the mean of its divisors is an integer number (114945075).

Almost surely, 2^6267798656 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 6267798656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7356484800).

6267798656 is an abundant number, since it is smaller than the sum of its proper divisors (8445170944).

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

6267798656 is a wasteful number, since it uses less digits than its factorization.

6267798656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1634 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 62.

The square root of 6267798656 is about 79169.4300598406. The cubic root of 6267798656 is about 1843.7626470208.

The spelling of 6267798656 in words is "six billion, two hundred sixty-seven million, seven hundred ninety-eight thousand, six hundred fifty-six".