6645063133116 has 36 divisors (see below), whose sum is σ = 17009866255200. Its totient is φ = 2186982802368.

The previous prime is 6645063133109. The next prime is 6645063133127. The reversal of 6645063133116 is 6113313605466.

6645063133116 is a `hidden beast` number, since 6 + 6 + 4 + 5 + 0 + 631 + 3 + 3 + 1 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1168257201 + ... + 1168262888.

Almost surely, 2^{6645063133116} is an apocalyptic number.

It is an amenable number.

6645063133116 is an abundant number, since it is smaller than the sum of its proper divisors (10364803122084).

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

6645063133116 is a wasteful number, since it uses less digits than its factorization.

6645063133116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336520178 (or 2336520173 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 6645063133116 in words is "six trillion, six hundred forty-five billion, sixty-three million, one hundred thirty-three thousand, one hundred sixteen".