18596821148 has 24 divisors (see below), whose sum is σ = 32768487360. Its totient is φ = 9234514880.

The previous prime is 18596821129. The next prime is 18596821151. The reversal of 18596821148 is 84112869581.

It is a self number, because there is not a number n which added to its sum of digits gives 18596821148.

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 7 ways as a sum of consecutive naturals, for example, 636893 + ... + 665451.

It is an arithmetic number, because the mean of its divisors is an integer number (1365353640).

Almost surely, 2^18596821148 is an apocalyptic number.

It is an amenable number.

18596821148 is a deficient number, since it is larger than the sum of its proper divisors (14171666212).

18596821148 is a wasteful number, since it uses less digits than its factorization.

18596821148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29677 (or 29675 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 53.

The spelling of 18596821148 in words is "eighteen billion, five hundred ninety-six million, eight hundred twenty-one thousand, one hundred forty-eight".