18703468855 has 8 divisors (see below), whose sum is σ = 23168168064. Its totient is φ = 14480104800.

The previous prime is 18703468811. The next prime is 18703468859. The reversal of 18703468855 is 55886430781.

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

It is not a de Polignac number, because 18703468855 - 2²⁵ = 18669914423 is a prime.

It is a super-2 number, since 2×18703468855² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18703468796 and 18703468805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18703468859) 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, 60333616 + ... + 60333925.

It is an arithmetic number, because the mean of its divisors is an integer number (2896021008).

Almost surely, 2^18703468855 is an apocalyptic number.

18703468855 is a deficient number, since it is larger than the sum of its proper divisors (4464699209).

18703468855 is a wasteful number, since it uses less digits than its factorization.

18703468855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120667577.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 18703468855 in words is "eighteen billion, seven hundred three million, four hundred sixty-eight thousand, eight hundred fifty-five".