18053907 has 8 divisors (see below), whose sum is σ = 24091584. Its totient is φ = 12026088.

The previous prime is 18053843. The next prime is 18053909. The reversal of 18053907 is 70935081.

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

It is not a de Polignac number, because 18053907 - 2⁶ = 18053843 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (18053909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5388 + ... + 8070.

It is an arithmetic number, because the mean of its divisors is an integer number (3011448).

Almost surely, 2^18053907 is an apocalyptic number.

18053907 is a deficient number, since it is larger than the sum of its proper divisors (6037677).

18053907 is a wasteful number, since it uses less digits than its factorization.

18053907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 18053907 is about 4248.9889385594. The cubic root of 18053907 is about 262.3355014719.

Adding to 18053907 its reverse (70935081), we get a palindrome (88988988).

The spelling of 18053907 in words is "eighteen million, fifty-three thousand, nine hundred seven".