667340373307 has 2 divisors, whose sum is σ = 667340373308. Its totient is φ = 667340373306.

The previous prime is 667340373299. The next prime is 667340373367. The reversal of 667340373307 is 703373043766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667340373307 - 2³ = 667340373299 is a prime.

It is a super-2 number, since 2×667340373307² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (667340373367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333670186653 + 333670186654.

It is an arithmetic number, because the mean of its divisors is an integer number (333670186654).

Almost surely, 2^667340373307 is an apocalyptic number.

667340373307 is a deficient number, since it is larger than the sum of its proper divisors (1).

667340373307 is an equidigital number, since it uses as much as digits as its factorization.

667340373307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 49.

The spelling of 667340373307 in words is "six hundred sixty-seven billion, three hundred forty million, three hundred seventy-three thousand, three hundred seven".