6653260944 has 200 divisors, whose sum is σ = 21107747232. Its totient is φ = 2006484480.

The previous prime is 6653260927. The next prime is 6653260969. The reversal of 6653260944 is 4490623566.

6653260944 is a `hidden beast` number, since 6 + 6 + 5 + 32 + 609 + 4 + 4 = 666.

It is a super-2 number, since 2×6653260944² = 88531762377911542272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6653260944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3320647 + ... + 3322649.

Almost surely, 2^6653260944 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 6653260944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10553873616).

6653260944 is an abundant number, since it is smaller than the sum of its proper divisors (14454486288).

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

6653260944 is a wasteful number, since it uses less digits than its factorization.

6653260944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267 (or 2252 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 6653260944 is about 81567.5238314858. The cubic root of 6653260944 is about 1880.8096844300.

The spelling of 6653260944 in words is "six billion, six hundred fifty-three million, two hundred sixty thousand, nine hundred forty-four".