6558965056 has 112 divisors (see below), whose sum is σ = 15284086272. Its totient is φ = 2734387200.

The previous prime is 6558965051. The next prime is 6558965081. The reversal of 6558965056 is 6505698556.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 6558964988 and 6558965006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6558965051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3810276 + ... + 3811996.

It is an arithmetic number, because the mean of its divisors is an integer number (136465056).

Almost surely, 2^6558965056 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 6558965056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7642043136).

6558965056 is an abundant number, since it is smaller than the sum of its proper divisors (8725121216).

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

6558965056 is a wasteful number, since it uses less digits than its factorization.

6558965056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 55.

The square root of 6558965056 is about 80987.4376431308. The cubic root of 6558965056 is about 1871.8818745927.

The spelling of 6558965056 in words is "six billion, five hundred fifty-eight million, nine hundred sixty-five thousand, fifty-six".