18356536048 has 20 divisors (see below), whose sum is σ = 35572268368. Its totient is φ = 9176595840.

The previous prime is 18356536021. The next prime is 18356536057. The reversal of 18356536048 is 84063565381.

It is a junction number, because it is equal to n+sod(n) for n = 18356535992 and 18356536010.

It is a congruent number.

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, 11436 + ... + 191947.

Almost surely, 2^18356536048 is an apocalyptic number.

It is an amenable number.

18356536048 is a deficient number, since it is larger than the sum of its proper divisors (17215732320).

18356536048 is a wasteful number, since it uses less digits than its factorization.

18356536048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209032 (or 209026 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 18356536048 in words is "eighteen billion, three hundred fifty-six million, five hundred thirty-six thousand, forty-eight".