18026263918 has 8 divisors (see below), whose sum is σ = 29119349448. Its totient is φ = 8319814104.

The previous prime is 18026263907. The next prime is 18026263933. The reversal of 18026263918 is 81936262081.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 346658896 + ... + 346658947.

It is an arithmetic number, because the mean of its divisors is an integer number (3639918681).

Almost surely, 2^18026263918 is an apocalyptic number.

18026263918 is a deficient number, since it is larger than the sum of its proper divisors (11093085530).

18026263918 is a wasteful number, since it uses less digits than its factorization.

18026263918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693317858.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 18026263918 in words is "eighteen billion, twenty-six million, two hundred sixty-three thousand, nine hundred eighteen".