6256620006 has 128 divisors (see below), whose sum is σ = 15881349120. Its totient is φ = 1598994432.

The previous prime is 6256619977. The next prime is 6256620017. The reversal of 6256620006 is 6000266526.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6807615 + ... + 6808533.

It is an arithmetic number, because the mean of its divisors is an integer number (124073040).

Almost surely, 2^6256620006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6256620006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7940674560).

6256620006 is an abundant number, since it is smaller than the sum of its proper divisors (9624729114).

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

6256620006 is a wasteful number, since it uses less digits than its factorization.

6256620006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 6256620006 is about 79098.7990174314. The cubic root of 6256620006 is about 1842.6658747864.

The spelling of 6256620006 in words is "six billion, two hundred fifty-six million, six hundred twenty thousand, six".