6646315041 has 12 divisors (see below), whose sum is σ = 9735448320. Its totient is φ = 4368469560.

The previous prime is 6646315021. The next prime is 6646315097. The reversal of 6646315041 is 1405136466.

It is a happy number.

6646315041 is a `hidden beast` number, since 6 + 6 + 463 + 150 + 41 = 666.

It is not a de Polignac number, because 6646315041 - 2¹⁵ = 6646282273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6646314987 and 6646315005.

It is not an unprimeable number, because it can be changed into a prime (6646315021) 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 11 ways as a sum of consecutive naturals, for example, 5199921 + ... + 5201198.

It is an arithmetic number, because the mean of its divisors is an integer number (811287360).

Almost surely, 2^6646315041 is an apocalyptic number.

It is an amenable number.

6646315041 is a deficient number, since it is larger than the sum of its proper divisors (3089133279).

6646315041 is a wasteful number, since it uses less digits than its factorization.

6646315041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401196 (or 10401193 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 6646315041 is about 81524.9350873707. The cubic root of 6646315041 is about 1880.1549443180.

The spelling of 6646315041 in words is "six billion, six hundred forty-six million, three hundred fifteen thousand, forty-one".