18554755108 has 12 divisors (see below), whose sum is σ = 32624713072. Its totient is φ = 9233408520.

The previous prime is 18554755069. The next prime is 18554755127. The reversal of 18554755108 is 80155745581.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10991310 + ... + 10992997.

Almost surely, 2^18554755108 is an apocalyptic number.

It is an amenable number.

18554755108 is a deficient number, since it is larger than the sum of its proper divisors (14069957964).

18554755108 is a wasteful number, since it uses less digits than its factorization.

18554755108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21984522 (or 21984520 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 49.

The spelling of 18554755108 in words is "eighteen billion, five hundred fifty-four million, seven hundred fifty-five thousand, one hundred eight".