18060664 has 48 divisors (see below), whose sum is σ = 37216800. Its totient is φ = 8186880.

The previous prime is 18060661. The next prime is 18060671. The reversal of 18060664 is 46606081.

It is a super-3 number, since 3×18060664³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18060661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228577 + ... + 228655.

It is an arithmetic number, because the mean of its divisors is an integer number (775350).

Almost surely, 2^18060664 is an apocalyptic number.

It is an amenable number.

18060664 is an abundant number, since it is smaller than the sum of its proper divisors (19156136).

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

18060664 is a wasteful number, since it uses less digits than its factorization.

18060664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 18060664 is about 4249.7839945108. The cubic root of 18060664 is about 262.3682253191.

The spelling of 18060664 in words is "eighteen million, sixty thousand, six hundred sixty-four".