18064064 has 28 divisors (see below), whose sum is σ = 37956744. Its totient is φ = 8500224.

The previous prime is 18064049. The next prime is 18064073. The reversal of 18064064 is 46046081.

18064064 = T₉₄ + T₉₅ + ... + T₄₇₇.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7214 + ... + 9389.

It is an arithmetic number, because the mean of its divisors is an integer number (1355598).

Almost surely, 2^18064064 is an apocalyptic number.

It is an amenable number.

18064064 is an abundant number, since it is smaller than the sum of its proper divisors (19892680).

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

18064064 is a wasteful number, since it uses less digits than its factorization.

18064064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16632 (or 16622 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 18064064 is about 4250.1839960171. The cubic root of 18064064 is about 262.3846882797.

The spelling of 18064064 in words is "eighteen million, sixty-four thousand, sixty-four".