18500066726 has 8 divisors (see below), whose sum is σ = 28645264704. Its totient is φ = 8951645160.

The previous prime is 18500066707. The next prime is 18500066729. The reversal of 18500066726 is 62766000581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18500066729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149194025 + ... + 149194148.

It is an arithmetic number, because the mean of its divisors is an integer number (3580658088).

Almost surely, 2^18500066726 is an apocalyptic number.

18500066726 is a deficient number, since it is larger than the sum of its proper divisors (10145197978).

18500066726 is a wasteful number, since it uses less digits than its factorization.

18500066726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298388206.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 18500066726 in words is "eighteen billion, five hundred million, sixty-six thousand, seven hundred twenty-six".