18355202016703 has 8 divisors (see below), whose sum is σ = 19321353651200. Its totient is φ = 17389059219288.

The previous prime is 18355202016689. The next prime is 18355202016707. The reversal of 18355202016703 is 30761020255381.

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 18355202016703 - 2⁹ = 18355202016191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18355202016703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18355202016707) 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, 2289058 + ... + 6476896.

It is an arithmetic number, because the mean of its divisors is an integer number (2415169206400).

Almost surely, 2^{18355202016703} is an apocalyptic number.

18355202016703 is a deficient number, since it is larger than the sum of its proper divisors (966151634497).

18355202016703 is a wasteful number, since it uses less digits than its factorization.

18355202016703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418541.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 18355202016703 in words is "eighteen trillion, three hundred fifty-five billion, two hundred two million, sixteen thousand, seven hundred three".