18026174905 has 24 divisors (see below), whose sum is σ = 22634599680. Its totient is φ = 13780646880.

The previous prime is 18026174861. The next prime is 18026174941. The reversal of 18026174905 is 50947162081.

It is not a de Polignac number, because 18026174905 - 2¹³ = 18026166713 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3412056 + ... + 3417334.

It is an arithmetic number, because the mean of its divisors is an integer number (943108320).

Almost surely, 2^18026174905 is an apocalyptic number.

It is an amenable number.

18026174905 is a deficient number, since it is larger than the sum of its proper divisors (4608424775).

18026174905 is a wasteful number, since it uses less digits than its factorization.

18026174905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621 (or 6598 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 18026174905 in words is "eighteen billion, twenty-six million, one hundred seventy-four thousand, nine hundred five".