668007341 has 2 divisors, whose sum is σ = 668007342. Its totient is φ = 668007340.

The previous prime is 668007317. The next prime is 668007397. The reversal of 668007341 is 143700866.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369754441 + 298252900 = 19229^2 + 17270^2 .

It is a cyclic number.

It is not a de Polignac number, because 668007341 - 2²⁶ = 600898477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (668007311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334003670 + 334003671.

It is an arithmetic number, because the mean of its divisors is an integer number (334003671).

Almost surely, 2^668007341 is an apocalyptic number.

It is an amenable number.

668007341 is a deficient number, since it is larger than the sum of its proper divisors (1).

668007341 is an equidigital number, since it uses as much as digits as its factorization.

668007341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 668007341 is about 25845.8379821588. The cubic root of 668007341 is about 874.1656660828.

The spelling of 668007341 in words is "six hundred sixty-eight million, seven thousand, three hundred forty-one".