18357483532663 has 4 divisors (see below), whose sum is σ = 20026345672008. Its totient is φ = 16688621393320.

The previous prime is 18357483532649. The next prime is 18357483532667. The reversal of 18357483532663 is 36623538475381.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18357483532663 - 2⁹ = 18357483532151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18357483532595 and 18357483532604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18357483532667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834431069656 + ... + 834431069677.

It is an arithmetic number, because the mean of its divisors is an integer number (5006586418002).

Almost surely, 2^{18357483532663} is an apocalyptic number.

18357483532663 is a deficient number, since it is larger than the sum of its proper divisors (1668862139345).

18357483532663 is a wasteful number, since it uses less digits than its factorization.

18357483532663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668862139344.

The product of its digits is 261273600, while the sum is 64.

The spelling of 18357483532663 in words is "eighteen trillion, three hundred fifty-seven billion, four hundred eighty-three million, five hundred thirty-two thousand, six hundred sixty-three".