666224604007 has 2 divisors, whose sum is σ = 666224604008. Its totient is φ = 666224604006.

The previous prime is 666224603999. The next prime is 666224604077. The reversal of 666224604007 is 700406422666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 666224604007 - 2³ = 666224603999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (666224604077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333112302003 + 333112302004.

It is an arithmetic number, because the mean of its divisors is an integer number (333112302004).

Almost surely, 2^666224604007 is an apocalyptic number.

666224604007 is a deficient number, since it is larger than the sum of its proper divisors (1).

666224604007 is an equidigital number, since it uses as much as digits as its factorization.

666224604007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 666224604007 in words is "six hundred sixty-six billion, two hundred twenty-four million, six hundred four thousand, seven".