18026315065 has 8 divisors (see below), whose sum is σ = 23598085248. Its totient is φ = 13110047280.

The previous prime is 18026315039. The next prime is 18026315101. The reversal of 18026315065 is 56051362081.

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

It is not a de Polignac number, because 18026315065 - 2¹¹ = 18026313017 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 163875537 + ... + 163875646.

It is an arithmetic number, because the mean of its divisors is an integer number (2949760656).

Almost surely, 2^18026315065 is an apocalyptic number.

It is an amenable number.

18026315065 is a deficient number, since it is larger than the sum of its proper divisors (5571770183).

18026315065 is a wasteful number, since it uses less digits than its factorization.

18026315065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327751199.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 18026315065 in words is "eighteen billion, twenty-six million, three hundred fifteen thousand, sixty-five".