18067648 has 14 divisors (see below), whose sum is σ = 35853116. Its totient is φ = 9033792.

The previous prime is 18067631. The next prime is 18067663. The reversal of 18067648 is 84676081.

It is a self number, because there is not a number n which added to its sum of digits gives 18067648.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141090 + ... + 141217.

Almost surely, 2^18067648 is an apocalyptic number.

It is an amenable number.

18067648 is a deficient number, since it is larger than the sum of its proper divisors (17785468).

18067648 is an equidigital number, since it uses as much as digits as its factorization.

18067648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282319 (or 282309 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 18067648 is about 4250.6056039110. The cubic root of 18067648 is about 262.4020399405.

The spelling of 18067648 in words is "eighteen million, sixty-seven thousand, six hundred forty-eight".