18055795 has 16 divisors (see below), whose sum is σ = 23546880. Its totient is φ = 13240800.

The previous prime is 18055789. The next prime is 18055799. The reversal of 18055795 is 59755081.

It is not a de Polignac number, because 18055795 - 2³ = 18055787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18055799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121 + ... + 6010.

It is an arithmetic number, because the mean of its divisors is an integer number (1471680).

Almost surely, 2^18055795 is an apocalyptic number.

18055795 is a deficient number, since it is larger than the sum of its proper divisors (5491085).

18055795 is a wasteful number, since it uses less digits than its factorization.

18055795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186.

The product of its (nonzero) digits is 63000, while the sum is 40.

The square root of 18055795 is about 4249.2111032520. The cubic root of 18055795 is about 262.3446457929.

The spelling of 18055795 in words is "eighteen million, fifty-five thousand, seven hundred ninety-five".