6406646752000 has 144 divisors (see below), whose sum is σ = 17410645927584. Its totient is φ = 2329689600000.

The previous prime is 6406646751997. The next prime is 6406646752049. The reversal of 6406646752000 is 2576466046.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8748351 + ... + 9452350.

It is an arithmetic number, because the mean of its divisors is an integer number (120907263386).

Almost surely, 2^{6406646752000} is an apocalyptic number.

It is an amenable number.

6406646752000 is an abundant number, since it is smaller than the sum of its proper divisors (11003999175584).

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

6406646752000 is a wasteful number, since it uses less digits than its factorization.

6406646752000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18200743 (or 18200719 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 6406646752000 in words is "six trillion, four hundred six billion, six hundred forty-six million, seven hundred fifty-two thousand".