368163136321 has 2 divisors, whose sum is σ = 368163136322. Its totient is φ = 368163136320.

The previous prime is 368163136303. The next prime is 368163136339. The reversal of 368163136321 is 123631361863.

It is a balanced prime because it is at equal distance from previous prime (368163136303) and next prime (368163136339).

It can be written as a sum of positive squares in only one way, i.e., 187337480625 + 180825655696 = 432825^2 + 425236^2 .

It is an emirp because it is prime and its reverse (123631361863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 368163136321 - 2⁷ = 368163136193 is a prime.

It is not a weakly prime, because it can be changed into another prime (368163136421) 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, 184081568160 + 184081568161.

It is an arithmetic number, because the mean of its divisors is an integer number (184081568161).

Almost surely, 2^368163136321 is an apocalyptic number.

It is an amenable number.

368163136321 is a deficient number, since it is larger than the sum of its proper divisors (1).

368163136321 is an equidigital number, since it uses as much as digits as its factorization.

368163136321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The spelling of 368163136321 in words is "three hundred sixty-eight billion, one hundred sixty-three million, one hundred thirty-six thousand, three hundred twenty-one".