18064329 has 8 divisors (see below), whose sum is σ = 24169152. Its totient is φ = 12001200.

The previous prime is 18064297. The next prime is 18064331. The reversal of 18064329 is 92346081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18064329 - 2⁵ = 18064297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18064329.

It is not an unprimeable number, because it can be changed into a prime (18064349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9397 + ... + 11154.

It is an arithmetic number, because the mean of its divisors is an integer number (3021144).

Almost surely, 2^18064329 is an apocalyptic number.

It is an amenable number.

18064329 is a deficient number, since it is larger than the sum of its proper divisors (6104823).

18064329 is a wasteful number, since it uses less digits than its factorization.

18064329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20847.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 18064329 is about 4250.2151710237. The cubic root of 18064329 is about 262.3859713354.

The spelling of 18064329 in words is "eighteen million, sixty-four thousand, three hundred twenty-nine".