18597140108 has 48 divisors (see below), whose sum is σ = 33402360096. Its totient is φ = 9056486400.

The previous prime is 18597140099. The next prime is 18597140117. The reversal of 18597140108 is 80104179581.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18597140099) and next prime (18597140117).

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 15 ways as a sum of consecutive naturals, for example, 24058010 + ... + 24058782.

It is an arithmetic number, because the mean of its divisors is an integer number (695882502).

Almost surely, 2^18597140108 is an apocalyptic number.

It is an amenable number.

18597140108 is a deficient number, since it is larger than the sum of its proper divisors (14805219988).

18597140108 is a wasteful number, since it uses less digits than its factorization.

18597140108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 18597140108 in words is "eighteen billion, five hundred ninety-seven million, one hundred forty thousand, one hundred eight".