18086453 has 32 divisors (see below), whose sum is σ = 24530688. Its totient is φ = 12902400.

The previous prime is 18086429. The next prime is 18086473. The reversal of 18086453 is 35468081.

It is not a de Polignac number, because 18086453 - 2¹⁴ = 18070069 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18086473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53501 + ... + 53837.

It is an arithmetic number, because the mean of its divisors is an integer number (766584).

Almost surely, 2^18086453 is an apocalyptic number.

It is an amenable number.

18086453 is a deficient number, since it is larger than the sum of its proper divisors (6444235).

18086453 is a wasteful number, since it uses less digits than its factorization.

18086453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 18086453 is about 4252.8170663691. The cubic root of 18086453 is about 262.4930453184.

The spelling of 18086453 in words is "eighteen million, eighty-six thousand, four hundred fifty-three".