666341353 has 2 divisors, whose sum is σ = 666341354. Its totient is φ = 666341352.

The previous prime is 666341297. The next prime is 666341359. The reversal of 666341353 is 353143666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 589129984 + 77211369 = 24272^2 + 8787^2 .

It is a cyclic number.

It is not a de Polignac number, because 666341353 - 2²⁹ = 129470441 is a prime.

It is not a weakly prime, because it can be changed into another prime (666341359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333170676 + 333170677.

It is an arithmetic number, because the mean of its divisors is an integer number (333170677).

Almost surely, 2^666341353 is an apocalyptic number.

It is an amenable number.

666341353 is a deficient number, since it is larger than the sum of its proper divisors (1).

666341353 is an equidigital number, since it uses as much as digits as its factorization.

666341353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 37.

The square root of 666341353 is about 25813.5885339485. The cubic root of 666341353 is about 873.4383477854.

The spelling of 666341353 in words is "six hundred sixty-six million, three hundred forty-one thousand, three hundred fifty-three".