18170852 has 24 divisors (see below), whose sum is σ = 36669696. Its totient is φ = 7717248.

The previous prime is 18170843. The next prime is 18170857. The reversal of 18170852 is 25807181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18170857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293 + ... + 6035.

It is an arithmetic number, because the mean of its divisors is an integer number (1527904).

Almost surely, 2^18170852 is an apocalyptic number.

It is an amenable number.

18170852 is an abundant number, since it is smaller than the sum of its proper divisors (18498844).

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

18170852 is a wasteful number, since it uses less digits than its factorization.

18170852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867 (or 5865 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 18170852 is about 4262.7282343588. The cubic root of 18170852 is about 262.9007128582.

The spelling of 18170852 in words is "eighteen million, one hundred seventy thousand, eight hundred fifty-two".