18322161037 has 2 divisors, whose sum is σ = 18322161038. Its totient is φ = 18322161036.

The previous prime is 18322161007. The next prime is 18322161041. The reversal of 18322161037 is 73016122381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18291480516 + 30680521 = 135246^2 + 5539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18322161037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18322160993 and 18322161011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18322161007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9161080518 + 9161080519.

It is an arithmetic number, because the mean of its divisors is an integer number (9161080519).

Almost surely, 2^18322161037 is an apocalyptic number.

It is an amenable number.

18322161037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18322161037 is an equidigital number, since it uses as much as digits as its factorization.

18322161037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 18322161037 in words is "eighteen billion, three hundred twenty-two million, one hundred sixty-one thousand, thirty-seven".