18441376158 has 8 divisors (see below), whose sum is σ = 36882752328. Its totient is φ = 6147125384.

The previous prime is 18441376111. The next prime is 18441376171. The reversal of 18441376158 is 85167314481.

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

18441376158 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536781341 + ... + 1536781352.

It is an arithmetic number, because the mean of its divisors is an integer number (4610344041).

Almost surely, 2^18441376158 is an apocalyptic number.

18441376158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18441376158 is a wasteful number, since it uses less digits than its factorization.

18441376158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073562698.

The product of its digits is 645120, while the sum is 48.

The spelling of 18441376158 in words is "eighteen billion, four hundred forty-one million, three hundred seventy-six thousand, one hundred fifty-eight".