718668811231606 has 16 divisors (see below), whose sum is σ = 1109899382708160. Its totient is φ = 348750787939200.

The previous prime is 718668811231603. The next prime is 718668811231741. The reversal of 718668811231606 is 606132118866817.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718668811231603) 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 in 7 ways as a sum of consecutive naturals, for example, 12109372686 + ... + 12109432033.

It is an arithmetic number, because the mean of its divisors is an integer number (69368711419260).

Almost surely, 2^{718668811231606} is an apocalyptic number.

718668811231606 is a deficient number, since it is larger than the sum of its proper divisors (391230571476554).

718668811231606 is a wasteful number, since it uses less digits than its factorization.

718668811231606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24218805159.

The product of its (nonzero) digits is 27869184, while the sum is 64.

The spelling of 718668811231606 in words is "seven hundred eighteen trillion, six hundred sixty-eight billion, eight hundred eleven million, two hundred thirty-one thousand, six hundred six".