6643310455 has 16 divisors (see below), whose sum is σ = 8418816000. Its totient is φ = 5022321568.

The previous prime is 6643310441. The next prime is 6643310467. The reversal of 6643310455 is 5540133466.

6643310455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6643310455 - 2⁹ = 6643309943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338455 + ... + 357544.

It is an arithmetic number, because the mean of its divisors is an integer number (526176000).

Almost surely, 2^6643310455 is an apocalyptic number.

6643310455 is a deficient number, since it is larger than the sum of its proper divisors (1775505545).

6643310455 is a wasteful number, since it uses less digits than its factorization.

6643310455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696110.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 6643310455 is about 81506.5055992465. The cubic root of 6643310455 is about 1879.8715823518.

The spelling of 6643310455 in words is "six billion, six hundred forty-three million, three hundred ten thousand, four hundred fifty-five".