6643913004150 has 24 divisors (see below), whose sum is σ = 16476904250664. Its totient is φ = 1771710134400.

The previous prime is 6643913004149. The next prime is 6643913004161. The reversal of 6643913004150 is 514003193466.

It is a happy number.

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, 22146376531 + ... + 22146376830.

It is an arithmetic number, because the mean of its divisors is an integer number (686537677111).

Almost surely, 2^{6643913004150} is an apocalyptic number.

6643913004150 is an abundant number, since it is smaller than the sum of its proper divisors (9832991246514).

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

6643913004150 is a wasteful number, since it uses less digits than its factorization.

6643913004150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44292753376 (or 44292753371 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 6643913004150 in words is "six trillion, six hundred forty-three billion, nine hundred thirteen million, four thousand, one hundred fifty".