18164704 has 24 divisors (see below), whose sum is σ = 37866528. Its totient is φ = 8547840.

The previous prime is 18164689. The next prime is 18164719. The reversal of 18164704 is 40746181.

It is an interprime number because it is at equal distance from previous prime (18164689) and next prime (18164719).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16152 + ... + 17239.

It is an arithmetic number, because the mean of its divisors is an integer number (1577772).

Almost surely, 2^18164704 is an apocalyptic number.

It is an amenable number.

18164704 is an abundant number, since it is smaller than the sum of its proper divisors (19701824).

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

18164704 is a wasteful number, since it uses less digits than its factorization.

18164704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33418 (or 33410 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 18164704 is about 4262.0070389430. The cubic root of 18164704 is about 262.8710592146.

The spelling of 18164704 in words is "eighteen million, one hundred sixty-four thousand, seven hundred four".