18148366 has 16 divisors (see below), whose sum is σ = 27875664. Its totient is φ = 8858304.

The previous prime is 18148343. The next prime is 18148373. The reversal of 18148366 is 66384181.

It is a congruent number.

It is an unprimeable number.

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, 32905 + ... + 33451.

It is an arithmetic number, because the mean of its divisors is an integer number (1742229).

Almost surely, 2^18148366 is an apocalyptic number.

18148366 is a deficient number, since it is larger than the sum of its proper divisors (9727298).

18148366 is a wasteful number, since it uses less digits than its factorization.

18148366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its digits is 27648, while the sum is 37.

The square root of 18148366 is about 4260.0899051546. The cubic root of 18148366 is about 262.7922236215.

The spelling of 18148366 in words is "eighteen million, one hundred forty-eight thousand, three hundred sixty-six".