18318363634127 has 8 divisors (see below), whose sum is σ = 18356434336416. Its totient is φ = 18280294801632.

The previous prime is 18318363634121. The next prime is 18318363634177. The reversal of 18318363634127 is 72143636381381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18318363634127 - 2³⁶ = 18249644157391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18318363634121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20084333 + ... + 20976585.

It is an arithmetic number, because the mean of its divisors is an integer number (2294554292052).

Almost surely, 2^{18318363634127} is an apocalyptic number.

18318363634127 is a deficient number, since it is larger than the sum of its proper divisors (38070702289).

18318363634127 is an equidigital number, since it uses as much as digits as its factorization.

18318363634127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934897.

The product of its digits is 10450944, while the sum is 56.

The spelling of 18318363634127 in words is "eighteen trillion, three hundred eighteen billion, three hundred sixty-three million, six hundred thirty-four thousand, one hundred twenty-seven".