128316204168293 has 2 divisors, whose sum is σ = 128316204168294. Its totient is φ = 128316204168292.

The previous prime is 128316204168221. The next prime is 128316204168319. The reversal of 128316204168293 is 392861402613821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76365524355169 + 51950679813124 = 8738737^2 + 7207682^2 .

It is a cyclic number.

It is not a de Polignac number, because 128316204168293 - 2¹⁰ = 128316204167269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128316204168203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64158102084146 + 64158102084147.

It is an arithmetic number, because the mean of its divisors is an integer number (64158102084147).

Almost surely, 2^{128316204168293} is an apocalyptic number.

It is an amenable number.

128316204168293 is a deficient number, since it is larger than the sum of its proper divisors (1).

128316204168293 is an equidigital number, since it uses as much as digits as its factorization.

128316204168293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 128316204168293 in words is "one hundred twenty-eight trillion, three hundred sixteen billion, two hundred four million, one hundred sixty-eight thousand, two hundred ninety-three".