18055165 has 8 divisors (see below), whose sum is σ = 21689568. Its totient is φ = 14428560.

The previous prime is 18055159. The next prime is 18055171. The reversal of 18055165 is 56155081.

It is an interprime number because it is at equal distance from previous prime (18055159) and next prime (18055171).

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

It is not a de Polignac number, because 18055165 - 2⁹ = 18054653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6430 + ... + 8800.

It is an arithmetic number, because the mean of its divisors is an integer number (2711196).

Almost surely, 2^18055165 is an apocalyptic number.

It is an amenable number.

18055165 is a deficient number, since it is larger than the sum of its proper divisors (3634403).

18055165 is a wasteful number, since it uses less digits than its factorization.

18055165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 18055165 is about 4249.1369711978. The cubic root of 18055165 is about 262.3415945278.

The spelling of 18055165 in words is "eighteen million, fifty-five thousand, one hundred sixty-five".