18548110956 has 24 divisors (see below), whose sum is σ = 43458512944. Its totient is φ = 6157048320.

The previous prime is 18548110951. The next prime is 18548110993. The reversal of 18548110956 is 65901184581.

It is not an unprimeable number, because it can be changed into a prime (18548110951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3203905 + ... + 3209688.

Almost surely, 2^18548110956 is an apocalyptic number.

It is an amenable number.

18548110956 is an abundant number, since it is smaller than the sum of its proper divisors (24910401988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18548110956 is a wasteful number, since it uses less digits than its factorization.

18548110956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413841 (or 6413839 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 18548110956 in words is "eighteen billion, five hundred forty-eight million, one hundred ten thousand, nine hundred fifty-six".