18117035332 has 24 divisors (see below), whose sum is σ = 34644859200. Its totient is φ = 8221256160.

The previous prime is 18117035291. The next prime is 18117035333. The reversal of 18117035332 is 23353071181.

It is not an unprimeable number, because it can be changed into a prime (18117035333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317343 + ... + 370054.

It is an arithmetic number, because the mean of its divisors is an integer number (1443535800).

Almost surely, 2^18117035332 is an apocalyptic number.

It is an amenable number.

18117035332 is a deficient number, since it is larger than the sum of its proper divisors (16527823868).

18117035332 is a wasteful number, since it uses less digits than its factorization.

18117035332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688011 (or 688009 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 18117035332 in words is "eighteen billion, one hundred seventeen million, thirty-five thousand, three hundred thirty-two".