18152808 has 32 divisors (see below), whose sum is σ = 45628800. Its totient is φ = 6018048.

The previous prime is 18152789. The next prime is 18152833. The reversal of 18152808 is 80825181.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673 + ... + 6591.

It is an arithmetic number, because the mean of its divisors is an integer number (1425900).

Almost surely, 2^18152808 is an apocalyptic number.

It is an amenable number.

18152808 is an abundant number, since it is smaller than the sum of its proper divisors (27475992).

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

18152808 is a wasteful number, since it uses less digits than its factorization.

18152808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121 (or 4117 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 18152808 is about 4260.6112237565. The cubic root of 18152808 is about 262.8136622427.

Adding to 18152808 its reverse (80825181), we get a palindrome (98977989).

The spelling of 18152808 in words is "eighteen million, one hundred fifty-two thousand, eight hundred eight".