2660393207 has 2 divisors, whose sum is σ = 2660393208. Its totient is φ = 2660393206.

The previous prime is 2660393201. The next prime is 2660393269. The reversal of 2660393207 is 7023930662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2660393207 - 2⁴ = 2660393191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660393201) 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, 1330196603 + 1330196604.

It is an arithmetic number, because the mean of its divisors is an integer number (1330196604).

Almost surely, 2^2660393207 is an apocalyptic number.

2660393207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660393207 is an equidigital number, since it uses as much as digits as its factorization.

2660393207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 2660393207 is about 51578.9996704085. Note that the first 3 decimals coincide. The cubic root of 2660393207 is about 1385.6342513336.

The spelling of 2660393207 in words is "two billion, six hundred sixty million, three hundred ninety-three thousand, two hundred seven".