5556066648 has 128 divisors (see below), whose sum is σ = 15560709120. Its totient is φ = 1638748160.

The previous prime is 5556066629. The next prime is 5556066673. The reversal of 5556066648 is 8466606555.

It is a self number, because there is not a number n which added to its sum of digits gives 5556066648.

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, 2443240 + ... + 2445512.

It is an arithmetic number, because the mean of its divisors is an integer number (121568040).

Almost surely, 2^5556066648 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 5556066648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7780354560).

5556066648 is an abundant number, since it is smaller than the sum of its proper divisors (10004642472).

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

5556066648 is a wasteful number, since it uses less digits than its factorization.

5556066648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 51.

The square root of 5556066648 is about 74539.0276834894. The cubic root of 5556066648 is about 1771.1519253155.

The spelling of 5556066648 in words is "five billion, five hundred fifty-six million, sixty-six thousand, six hundred forty-eight".