667374006667 has 2 divisors, whose sum is σ = 667374006668. Its totient is φ = 667374006666.

The previous prime is 667374006571. The next prime is 667374006709. The reversal of 667374006667 is 766600473766.

667374006667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 667374006667 - 2¹⁵ = 667373973899 is a prime.

It is not a weakly prime, because it can be changed into another prime (667374009667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333687003333 + 333687003334.

It is an arithmetic number, because the mean of its divisors is an integer number (333687003334).

Almost surely, 2^667374006667 is an apocalyptic number.

667374006667 is a deficient number, since it is larger than the sum of its proper divisors (1).

667374006667 is an equidigital number, since it uses as much as digits as its factorization.

667374006667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32006016, while the sum is 58.

The spelling of 667374006667 in words is "six hundred sixty-seven billion, three hundred seventy-four million, six thousand, six hundred sixty-seven".