316658321687 has 2 divisors, whose sum is σ = 316658321688. Its totient is φ = 316658321686.

The previous prime is 316658321663. The next prime is 316658321711. The reversal of 316658321687 is 786123856613.

It is a balanced prime because it is at equal distance from previous prime (316658321663) and next prime (316658321711).

It is an emirp because it is prime and its reverse (786123856613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316658321687 - 2⁸ = 316658321431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316658321087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158329160843 + 158329160844.

It is an arithmetic number, because the mean of its divisors is an integer number (158329160844).

Almost surely, 2^316658321687 is an apocalyptic number.

316658321687 is a deficient number, since it is larger than the sum of its proper divisors (1).

316658321687 is an equidigital number, since it uses as much as digits as its factorization.

316658321687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 56.

The spelling of 316658321687 in words is "three hundred sixteen billion, six hundred fifty-eight million, three hundred twenty-one thousand, six hundred eighty-seven".