18054366 has 16 divisors (see below), whose sum is σ = 39391488. Its totient is φ = 5471000.

The previous prime is 18054347. The next prime is 18054371. The reversal of 18054366 is 66345081.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136710 + ... + 136841.

It is an arithmetic number, because the mean of its divisors is an integer number (2461968).

Almost surely, 2^18054366 is an apocalyptic number.

18054366 is an abundant number, since it is smaller than the sum of its proper divisors (21337122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18054366 is a wasteful number, since it uses less digits than its factorization.

18054366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273567.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 18054366 is about 4249.0429510656. The cubic root of 18054366 is about 262.3377246467.

The spelling of 18054366 in words is "eighteen million, fifty-four thousand, three hundred sixty-six".