6606204643 has 2 divisors, whose sum is σ = 6606204644. Its totient is φ = 6606204642.

The previous prime is 6606204541. The next prime is 6606204713. The reversal of 6606204643 is 3464026066.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6606204643 is a prime.

It is not a weakly prime, because it can be changed into another prime (6606201643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303102321 + 3303102322.

It is an arithmetic number, because the mean of its divisors is an integer number (3303102322).

Almost surely, 2^6606204643 is an apocalyptic number.

6606204643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6606204643 is an equidigital number, since it uses as much as digits as its factorization.

6606204643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 6606204643 is about 81278.5620136085. The cubic root of 6606204643 is about 1876.3650757833.

The spelling of 6606204643 in words is "six billion, six hundred six million, two hundred four thousand, six hundred forty-three".