6556647048 has 32 divisors (see below), whose sum is σ = 18733277760. Its totient is φ = 1873327680.

The previous prime is 6556647043. The next prime is 6556647073. The reversal of 6556647048 is 8407466556.

It is a super-2 number, since 2×6556647048² = 85979241024094228608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6556647043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19513663 + ... + 19513998.

It is an arithmetic number, because the mean of its divisors is an integer number (585414930).

Almost surely, 2^6556647048 is an apocalyptic number.

It is an amenable number.

6556647048 is an abundant number, since it is smaller than the sum of its proper divisors (12176630712).

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

6556647048 is a wasteful number, since it uses less digits than its factorization.

6556647048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39027677 (or 39027673 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The square root of 6556647048 is about 80973.1254676513. The cubic root of 6556647048 is about 1871.6613342901.

The spelling of 6556647048 in words is "six billion, five hundred fifty-six million, six hundred forty-seven thousand, forty-eight".