6247345656 has 128 divisors (see below), whose sum is σ = 16243752960. Its totient is φ = 2001110400.

The previous prime is 6247345627. The next prime is 6247345661. The reversal of 6247345656 is 6565437426.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23052801 + ... + 23053071.

It is an arithmetic number, because the mean of its divisors is an integer number (126904320).

Almost surely, 2^6247345656 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 6247345656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8121876480).

6247345656 is an abundant number, since it is smaller than the sum of its proper divisors (9996407304).

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

6247345656 is a wasteful number, since it uses less digits than its factorization.

6247345656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 621 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 48.

The square root of 6247345656 is about 79040.1521759669. The cubic root of 6247345656 is about 1841.7549474122.

The spelling of 6247345656 in words is "six billion, two hundred forty-seven million, three hundred forty-five thousand, six hundred fifty-six".