6557912944 has 40 divisors (see below), whose sum is σ = 13866224112. Its totient is φ = 2979755520.

The previous prime is 6557912939. The next prime is 6557912957. The reversal of 6557912944 is 4492197556.

It is a junction number, because it is equal to n+sod(n) for n = 6557912891 and 6557912900.

It is a congruent number.

It is an unprimeable number.

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, 630732 + ... + 641044.

Almost surely, 2^6557912944 is an apocalyptic number.

It is an amenable number.

6557912944 is an abundant number, since it is smaller than the sum of its proper divisors (7308311168).

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

6557912944 is a wasteful number, since it uses less digits than its factorization.

6557912944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13945 (or 13939 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The square root of 6557912944 is about 80980.9418567110. The cubic root of 6557912944 is about 1871.7817808188.

The spelling of 6557912944 in words is "six billion, five hundred fifty-seven million, nine hundred twelve thousand, nine hundred forty-four".