18009614018 has 32 divisors (see below), whose sum is σ = 31031138880. Its totient is φ = 7752888000.

The previous prime is 18009613987. The next prime is 18009614041. The reversal of 18009614018 is 81041690081.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 2094488 + ... + 2103068.

It is an arithmetic number, because the mean of its divisors is an integer number (969723090).

Almost surely, 2^18009614018 is an apocalyptic number.

18009614018 is a deficient number, since it is larger than the sum of its proper divisors (13021524862).

18009614018 is a wasteful number, since it uses less digits than its factorization.

18009614018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13634.

The product of its (nonzero) digits is 13824, while the sum is 38.

The spelling of 18009614018 in words is "eighteen billion, nine million, six hundred fourteen thousand, eighteen".