18548214885 has 96 divisors (see below), whose sum is σ = 34047965952. Its totient is φ = 9328296960.

The previous prime is 18548214847. The next prime is 18548214889. The reversal of 18548214885 is 58841284581.

18548214885 is a `hidden beast` number, since 1 + 8 + 548 + 2 + 14 + 8 + 85 = 666.

It is not a de Polignac number, because 18548214885 - 2¹⁰ = 18548213861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18548214889) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11399442 + ... + 11401068.

It is an arithmetic number, because the mean of its divisors is an integer number (354666312).

Almost surely, 2^18548214885 is an apocalyptic number.

18548214885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18548214885 is a deficient number, since it is larger than the sum of its proper divisors (15499751067).

18548214885 is a wasteful number, since it uses less digits than its factorization.

18548214885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883 (or 1880 counting only the distinct ones).

The product of its digits is 3276800, while the sum is 54.

The spelling of 18548214885 in words is "eighteen billion, five hundred forty-eight million, two hundred fourteen thousand, eight hundred eighty-five".