18325066 has 16 divisors (see below), whose sum is σ = 28911168. Its totient is φ = 8694400.

The previous prime is 18325033. The next prime is 18325067. The reversal of 18325066 is 66052381.

It is not an unprimeable number, because it can be changed into a prime (18325067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4506 + ... + 7546.

It is an arithmetic number, because the mean of its divisors is an integer number (1806948).

Almost surely, 2^18325066 is an apocalyptic number.

18325066 is a deficient number, since it is larger than the sum of its proper divisors (10586102).

18325066 is a wasteful number, since it uses less digits than its factorization.

18325066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 18325066 is about 4280.7786674856. The cubic root of 18325066 is about 263.6423550903.

The spelling of 18325066 in words is "eighteen million, three hundred twenty-five thousand, sixty-six".