316666712166668 has 12 divisors (see below), whose sum is σ = 554166876112752. Its totient is φ = 158333318991600.

The previous prime is 316666712166667. The next prime is 316666712166751. The reversal of 316666712166668 is 866661217666613.

It is not an unprimeable number, because it can be changed into a prime (316666712166667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20702921 + ... + 32587487.

It is an arithmetic number, because the mean of its divisors is an integer number (46180573009396).

Almost surely, 2^{316666712166668} is an apocalyptic number.

It is an amenable number.

316666712166668 is a deficient number, since it is larger than the sum of its proper divisors (237500163946084).

316666712166668 is a wasteful number, since it uses less digits than its factorization.

316666712166668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18545872 (or 18545870 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 71.

Subtracting 316666712166668 from its reverse (866661217666613), we obtain a palindrome (549994505499945).

The spelling of 316666712166668 in words is "three hundred sixteen trillion, six hundred sixty-six billion, seven hundred twelve million, one hundred sixty-six thousand, six hundred sixty-eight".