667067340341 has 2 divisors, whose sum is σ = 667067340342. Its totient is φ = 667067340340.

The previous prime is 667067340311. The next prime is 667067340383. The reversal of 667067340341 is 143043760766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660840552241 + 6226788100 = 812921^2 + 78910^2 .

It is a cyclic number.

It is not a de Polignac number, because 667067340341 - 2²² = 667063146037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667067340311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333533670170 + 333533670171.

It is an arithmetic number, because the mean of its divisors is an integer number (333533670171).

Almost surely, 2^667067340341 is an apocalyptic number.

It is an amenable number.

667067340341 is a deficient number, since it is larger than the sum of its proper divisors (1).

667067340341 is an equidigital number, since it uses as much as digits as its factorization.

667067340341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 47.

It can be divided in two parts, 66706 and 7340341, that added together give a palindrome (7407047).

The spelling of 667067340341 in words is "six hundred sixty-seven billion, sixty-seven million, three hundred forty thousand, three hundred forty-one".