6660910933 has 2 divisors, whose sum is σ = 6660910934. Its totient is φ = 6660910932.

The previous prime is 6660910873. The next prime is 6660910939. The reversal of 6660910933 is 3390190666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6639316324 + 21594609 = 81482^2 + 4647^2 .

It is a cyclic number.

It is not a de Polignac number, because 6660910933 - 2¹⁷ = 6660779861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6660910933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6660910939) 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, 3330455466 + 3330455467.

It is an arithmetic number, because the mean of its divisors is an integer number (3330455467).

Almost surely, 2^6660910933 is an apocalyptic number.

It is an amenable number.

6660910933 is a deficient number, since it is larger than the sum of its proper divisors (1).

6660910933 is an equidigital number, since it uses as much as digits as its factorization.

6660910933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 6660910933 is about 81614.4039554293. The cubic root of 6660910933 is about 1881.5302665365.

The spelling of 6660910933 in words is "six billion, six hundred sixty million, nine hundred ten thousand, nine hundred thirty-three".