18066152 has 16 divisors (see below), whose sum is σ = 36479940. Its totient is φ = 8338176.

The previous prime is 18066133. The next prime is 18066157. The reversal of 18066152 is 25166081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18028516 + 37636 = 4246^2 + 194^2 .

It is not an unprimeable number, because it can be changed into a prime (18066157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86753 + ... + 86960.

Almost surely, 2^18066152 is an apocalyptic number.

It is an amenable number.

18066152 is an abundant number, since it is smaller than the sum of its proper divisors (18413788).

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

18066152 is a wasteful number, since it uses less digits than its factorization.

18066152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173732 (or 173728 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 18066152 is about 4250.4296253438. The cubic root of 18066152 is about 262.3947974504.

The spelling of 18066152 in words is "eighteen million, sixty-six thousand, one hundred fifty-two".