18848138588 has 6 divisors (see below), whose sum is σ = 32984242536. Its totient is φ = 9424069292.

The previous prime is 18848138537. The next prime is 18848138597. The reversal of 18848138588 is 88583184881.

It is a self number, because there is not a number n which added to its sum of digits gives 18848138588.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2356017320 + ... + 2356017327.

It is an arithmetic number, because the mean of its divisors is an integer number (5497373756).

Almost surely, 2^18848138588 is an apocalyptic number.

It is an amenable number.

18848138588 is a deficient number, since it is larger than the sum of its proper divisors (14136103948).

18848138588 is a wasteful number, since it uses less digits than its factorization.

18848138588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712034651 (or 4712034649 counting only the distinct ones).

The product of its digits is 15728640, while the sum is 62.

The spelling of 18848138588 in words is "eighteen billion, eight hundred forty-eight million, one hundred thirty-eight thousand, five hundred eighty-eight".