6605089056 has 96 divisors (see below), whose sum is σ = 19528931520. Its totient is φ = 2171515392.

The previous prime is 6605089027. The next prime is 6605089063. The reversal of 6605089056 is 6509805066.

6605089056 is a `hidden beast` number, since 6 + 6 + 0 + 508 + 90 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×6605089056² = 87254402875381942272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10711 + ... + 115433.

It is an arithmetic number, because the mean of its divisors is an integer number (203426370).

Almost surely, 2^6605089056 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 6605089056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9764465760).

6605089056 is an abundant number, since it is smaller than the sum of its proper divisors (12923842464).

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

6605089056 is a wasteful number, since it uses less digits than its factorization.

6605089056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104815 (or 104801 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 6605089056 is about 81271.6989855632. The cubic root of 6605089056 is about 1876.2594495103.

The spelling of 6605089056 in words is "six billion, six hundred five million, eighty-nine thousand, fifty-six".