18107485 has 16 divisors (see below), whose sum is σ = 24043392. Its totient is φ = 12980800.

The previous prime is 18107473. The next prime is 18107489. The reversal of 18107485 is 58470181.

It is not a de Polignac number, because 18107485 - 2¹⁹ = 17583197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18107485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18107489) 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, 1587 + ... + 6223.

It is an arithmetic number, because the mean of its divisors is an integer number (1502712).

Almost surely, 2^18107485 is an apocalyptic number.

It is an amenable number.

18107485 is a deficient number, since it is larger than the sum of its proper divisors (5935907).

18107485 is a wasteful number, since it uses less digits than its factorization.

18107485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4724.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 18107485 is about 4255.2890618617. The cubic root of 18107485 is about 262.5947533971.

The spelling of 18107485 in words is "eighteen million, one hundred seven thousand, four hundred eighty-five".