18037477163 has 2 divisors, whose sum is σ = 18037477164. Its totient is φ = 18037477162.

The previous prime is 18037477093. The next prime is 18037477189. The reversal of 18037477163 is 36177473081.

It is a strong prime.

It is an emirp because it is prime and its reverse (36177473081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18037477163 - 2¹² = 18037473067 is a prime.

It is not a weakly prime, because it can be changed into another prime (18037470163) 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, 9018738581 + 9018738582.

It is an arithmetic number, because the mean of its divisors is an integer number (9018738582).

Almost surely, 2^18037477163 is an apocalyptic number.

18037477163 is a deficient number, since it is larger than the sum of its proper divisors (1).

18037477163 is an equidigital number, since it uses as much as digits as its factorization.

18037477163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 18037477163 in words is "eighteen billion, thirty-seven million, four hundred seventy-seven thousand, one hundred sixty-three".