18348653184 has 32 divisors (see below), whose sum is σ = 48738611040. Its totient is φ = 6116217600.

The previous prime is 18348653143. The next prime is 18348653251. The reversal of 18348653184 is 48135684381.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23891092 + ... + 23891859.

It is an arithmetic number, because the mean of its divisors is an integer number (1523081595).

Almost surely, 2^18348653184 is an apocalyptic number.

It is an amenable number.

18348653184 is an abundant number, since it is smaller than the sum of its proper divisors (30389957856).

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

18348653184 is an equidigital number, since it uses as much as digits as its factorization.

18348653184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47782968 (or 47782956 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The spelling of 18348653184 in words is "eighteen billion, three hundred forty-eight million, six hundred fifty-three thousand, one hundred eighty-four".