340666510663 has 2 divisors, whose sum is σ = 340666510664. Its totient is φ = 340666510662.

The previous prime is 340666510601. The next prime is 340666510733. The reversal of 340666510663 is 366015666043.

It is a weak prime.

It is an emirp because it is prime and its reverse (366015666043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340666510663 - 2¹³ = 340666502471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340666580663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170333255331 + 170333255332.

It is an arithmetic number, because the mean of its divisors is an integer number (170333255332).

Almost surely, 2^340666510663 is an apocalyptic number.

340666510663 is a deficient number, since it is larger than the sum of its proper divisors (1).

340666510663 is an equidigital number, since it uses as much as digits as its factorization.

340666510663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 340666510663 in words is "three hundred forty billion, six hundred sixty-six million, five hundred ten thousand, six hundred sixty-three".