6653644016 has 20 divisors (see below), whose sum is σ = 13073007024. Its totient is φ = 3279964800.

The previous prime is 6653644007. The next prime is 6653644027. The reversal of 6653644016 is 6104463566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2927405 + ... + 2929676.

Almost surely, 2^6653644016 is an apocalyptic number.

It is an amenable number.

6653644016 is a deficient number, since it is larger than the sum of its proper divisors (6419363008).

6653644016 is a wasteful number, since it uses less digits than its factorization.

6653644016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857160 (or 5857154 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 6653644016 is about 81569.8719871498. The cubic root of 6653644016 is about 1880.8457805993.

The spelling of 6653644016 in words is "six billion, six hundred fifty-three million, six hundred forty-four thousand, sixteen".