667212106903 has 2 divisors, whose sum is σ = 667212106904. Its totient is φ = 667212106902.

The previous prime is 667212106877. The next prime is 667212106907. The reversal of 667212106903 is 309601212766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 667212106903 - 2⁵ = 667212106871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667212106903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667212106907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333606053451 + 333606053452.

It is an arithmetic number, because the mean of its divisors is an integer number (333606053452).

Almost surely, 2^667212106903 is an apocalyptic number.

667212106903 is a deficient number, since it is larger than the sum of its proper divisors (1).

667212106903 is an equidigital number, since it uses as much as digits as its factorization.

667212106903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 667212106903 in words is "six hundred sixty-seven billion, two hundred twelve million, one hundred six thousand, nine hundred three".