18059996 has 12 divisors (see below), whose sum is σ = 32459448. Its totient is φ = 8785872.

The previous prime is 18059983. The next prime is 18060017. The reversal of 18059996 is 69995081.

It is a self number, because there is not a number n which added to its sum of digits gives 18059996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60866 + ... + 61161.

It is an arithmetic number, because the mean of its divisors is an integer number (2704954).

Almost surely, 2^18059996 is an apocalyptic number.

It is an amenable number.

18059996 is a deficient number, since it is larger than the sum of its proper divisors (14399452).

18059996 is a wasteful number, since it uses less digits than its factorization.

18059996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122068 (or 122066 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 18059996 is about 4249.7054015543. The cubic root of 18059996 is about 262.3649905888.

The spelling of 18059996 in words is "eighteen million, fifty-nine thousand, nine hundred ninety-six".