18148808 has 16 divisors (see below), whose sum is σ = 34298880. Its totient is φ = 9002448.

The previous prime is 18148799. The next prime is 18148811. The reversal of 18148808 is 80884181.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7916 + ... + 9947.

It is an arithmetic number, because the mean of its divisors is an integer number (2143680).

Almost surely, 2^18148808 is an apocalyptic number.

It is an amenable number.

18148808 is a deficient number, since it is larger than the sum of its proper divisors (16150072).

18148808 is a wasteful number, since it uses less digits than its factorization.

18148808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17996 (or 17992 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 38.

The square root of 18148808 is about 4260.1417816782. The cubic root of 18148808 is about 262.7943570224.

The spelling of 18148808 in words is "eighteen million, one hundred forty-eight thousand, eight hundred eight".