18054164 has 24 divisors (see below), whose sum is σ = 32328576. Its totient is φ = 8820000.

The previous prime is 18054163. The next prime is 18054173. The reversal of 18054164 is 46145081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18054163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42674 + ... + 43094.

It is an arithmetic number, because the mean of its divisors is an integer number (1347024).

Almost surely, 2^18054164 is an apocalyptic number.

It is an amenable number.

18054164 is a deficient number, since it is larger than the sum of its proper divisors (14274412).

18054164 is a wasteful number, since it uses less digits than its factorization.

18054164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 18054164 is about 4249.0191809405. The cubic root of 18054164 is about 262.3367462607.

The spelling of 18054164 in words is "eighteen million, fifty-four thousand, one hundred sixty-four".