18064453 has 12 divisors (see below), whose sum is σ = 20722464. Its totient is φ = 15705800.

The previous prime is 18064447. The next prime is 18064457. The reversal of 18064453 is 35446081.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-18064453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18064457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463 + ... + 6028.

It is an arithmetic number, because the mean of its divisors is an integer number (1726872).

Almost surely, 2^18064453 is an apocalyptic number.

It is an amenable number.

18064453 is a deficient number, since it is larger than the sum of its proper divisors (2658011).

18064453 is a wasteful number, since it uses less digits than its factorization.

18064453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536 (or 6525 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 18064453 is about 4250.2297584954. The cubic root of 18064453 is about 262.3865717043.

The spelling of 18064453 in words is "eighteen million, sixty-four thousand, four hundred fifty-three".