316540121016667 has 2 divisors, whose sum is σ = 316540121016668. Its totient is φ = 316540121016666.

The previous prime is 316540121016641. The next prime is 316540121016677. The reversal of 316540121016667 is 766610121045613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316540121016667 - 2¹⁵ = 316540120983899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316540121016667.

It is not a weakly prime, because it can be changed into another prime (316540121016617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158270060508333 + 158270060508334.

It is an arithmetic number, because the mean of its divisors is an integer number (158270060508334).

Almost surely, 2^{316540121016667} is an apocalyptic number.

316540121016667 is a deficient number, since it is larger than the sum of its proper divisors (1).

316540121016667 is an equidigital number, since it uses as much as digits as its factorization.

316540121016667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 316540121016667 in words is "three hundred sixteen trillion, five hundred forty billion, one hundred twenty-one million, sixteen thousand, six hundred sixty-seven".