18006011224 has 64 divisors (see below), whose sum is σ = 35254044000. Its totient is φ = 8613817344.

The previous prime is 18006011209. The next prime is 18006011251. The reversal of 18006011224 is 42211060081.

It is a congruent 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, 8577327 + ... + 8579425.

Almost surely, 2^18006011224 is an apocalyptic number.

It is an amenable number.

18006011224 is a deficient number, since it is larger than the sum of its proper divisors (17248032776).

18006011224 is a wasteful number, since it uses less digits than its factorization.

18006011224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 18006011224 in words is "eighteen billion, six million, eleven thousand, two hundred twenty-four".