18064468 has 6 divisors (see below), whose sum is σ = 31612826. Its totient is φ = 9032232.

The previous prime is 18064457. The next prime is 18064471. The reversal of 18064468 is 86446081.

It can be written as a sum of positive squares in only one way, i.e., 9314704 + 8749764 = 3052^2 + 2958^2 .

It is a super-3 number, since 3×18064468³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2258055 + ... + 2258062.

Almost surely, 2^18064468 is an apocalyptic number.

It is an amenable number.

18064468 is a deficient number, since it is larger than the sum of its proper divisors (13548358).

18064468 is a wasteful number, since it uses less digits than its factorization.

18064468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516121 (or 4516119 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 18064468 is about 4250.2315231055. The cubic root of 18064468 is about 262.3866443294.

The spelling of 18064468 in words is "eighteen million, sixty-four thousand, four hundred sixty-eight".