18039122174 has 16 divisors (see below), whose sum is σ = 27368733600. Its totient is φ = 8916255744.

The previous prime is 18039122173. The next prime is 18039122207. The reversal of 18039122174 is 47122193081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18039122173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123934 + ... + 1139870.

It is an arithmetic number, because the mean of its divisors is an integer number (1710545850).

Almost surely, 2^18039122174 is an apocalyptic number.

18039122174 is a deficient number, since it is larger than the sum of its proper divisors (9329611426).

18039122174 is a wasteful number, since it uses less digits than its factorization.

18039122174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22387.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 18039122174 in words is "eighteen billion, thirty-nine million, one hundred twenty-two thousand, one hundred seventy-four".