18038055706 has 16 divisors (see below), whose sum is σ = 29519015328. Its totient is φ = 8198506000.

The previous prime is 18038055697. The next prime is 18038055727. The reversal of 18038055706 is 60755083081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418881 + ... + 459931.

It is an arithmetic number, because the mean of its divisors is an integer number (1844938458).

Almost surely, 2^18038055706 is an apocalyptic number.

18038055706 is a deficient number, since it is larger than the sum of its proper divisors (11480959622).

18038055706 is a wasteful number, since it uses less digits than its factorization.

18038055706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61037.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 18038055706 in words is "eighteen billion, thirty-eight million, fifty-five thousand, seven hundred six".