18849558276688 has 20 divisors (see below), whose sum is σ = 36549484531488. Its totient is φ = 9417433236320.

The previous prime is 18849558276673. The next prime is 18849558276707. The reversal of 18849558276688 is 88667285594881.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 459097708 + ... + 459138763.

Almost surely, 2^{18849558276688} is an apocalyptic number.

It is an amenable number.

18849558276688 is a deficient number, since it is larger than the sum of its proper divisors (17699926254800).

18849558276688 is a wasteful number, since it uses less digits than its factorization.

18849558276688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918237762 (or 918237756 counting only the distinct ones).

The product of its digits is 14863564800, while the sum is 85.

The spelling of 18849558276688 in words is "eighteen trillion, eight hundred forty-nine billion, five hundred fifty-eight million, two hundred seventy-six thousand, six hundred eighty-eight".