6646041316 has 12 divisors (see below), whose sum is σ = 11634440832. Its totient is φ = 3321915368.

The previous prime is 6646041313. The next prime is 6646041341. The reversal of 6646041316 is 6131406466.

It is not an unprimeable number, because it can be changed into a prime (6646041313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262720 + ... + 286903.

It is an arithmetic number, because the mean of its divisors is an integer number (969536736).

Almost surely, 2^6646041316 is an apocalyptic number.

It is an amenable number.

6646041316 is a deficient number, since it is larger than the sum of its proper divisors (4988399516).

6646041316 is a wasteful number, since it uses less digits than its factorization.

6646041316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552650 (or 552648 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 6646041316 is about 81523.2562892332. The cubic root of 6646041316 is about 1880.1291328985.

The spelling of 6646041316 in words is "six billion, six hundred forty-six million, forty-one thousand, three hundred sixteen".