18348653185 has 16 divisors (see below), whose sum is σ = 22344958080. Its totient is φ = 14461511680.

The previous prime is 18348653143. The next prime is 18348653251. The reversal of 18348653185 is 58135684381.

It is not a de Polignac number, because 18348653185 - 2¹⁵ = 18348620417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481854 + ... + 518536.

It is an arithmetic number, because the mean of its divisors is an integer number (1396559880).

Almost surely, 2^18348653185 is an apocalyptic number.

It is an amenable number.

18348653185 is a deficient number, since it is larger than the sum of its proper divisors (3996304895).

18348653185 is a wasteful number, since it uses less digits than its factorization.

18348653185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38168.

The product of its digits is 2764800, while the sum is 52.

The spelling of 18348653185 in words is "eighteen billion, three hundred forty-eight million, six hundred fifty-three thousand, one hundred eighty-five".