18055741 has 18 divisors (see below), whose sum is σ = 20584410. Its totient is φ = 15824160.

The previous prime is 18055721. The next prime is 18055753. The reversal of 18055741 is 14755081.

It can be written as a sum of positive squares in 3 ways, for example, as 11930116 + 6125625 = 3454^2 + 2475^2 .

It is not a de Polignac number, because 18055741 - 2¹⁹ = 17531453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18055721) 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 17 ways as a sum of consecutive naturals, for example, 165595 + ... + 165703.

Almost surely, 2^18055741 is an apocalyptic number.

18055741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18055741 is a deficient number, since it is larger than the sum of its proper divisors (2528669).

18055741 is a wasteful number, since it uses less digits than its factorization.

18055741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 18055741 is about 4249.2047491266. The cubic root of 18055741 is about 262.3443842586.

The spelling of 18055741 in words is "eighteen million, fifty-five thousand, seven hundred forty-one".