18271318132 has 24 divisors (see below), whose sum is σ = 32444720000. Its totient is φ = 9001863936.

The previous prime is 18271318127. The next prime is 18271318183. The reversal of 18271318132 is 23181317281.

It is a junction number, because it is equal to n+sod(n) for n = 18271318091 and 18271318100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99748 + ... + 215620.

Almost surely, 2^18271318132 is an apocalyptic number.

It is an amenable number.

18271318132 is a deficient number, since it is larger than the sum of its proper divisors (14173401868).

18271318132 is a wasteful number, since it uses less digits than its factorization.

18271318132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116455 (or 116453 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The spelling of 18271318132 in words is "eighteen billion, two hundred seventy-one million, three hundred eighteen thousand, one hundred thirty-two".