18114809476 has 48 divisors (see below), whose sum is σ = 35081472384. Its totient is φ = 8140847616.

The previous prime is 18114809443. The next prime is 18114809491. The reversal of 18114809476 is 67490841181.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996646 + ... + 1014658.

It is an arithmetic number, because the mean of its divisors is an integer number (730864008).

Almost surely, 2^18114809476 is an apocalyptic number.

It is an amenable number.

18114809476 is a deficient number, since it is larger than the sum of its proper divisors (16966662908).

18114809476 is a wasteful number, since it uses less digits than its factorization.

18114809476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18700 (or 18698 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 18114809476 in words is "eighteen billion, one hundred fourteen million, eight hundred nine thousand, four hundred seventy-six".