18466966 has 16 divisors (see below), whose sum is σ = 32015520. Its totient is φ = 7824960.

The previous prime is 18466951. The next prime is 18466969. The reversal of 18466966 is 66966481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18466969) 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, 6165 + ... + 8656.

It is an arithmetic number, because the mean of its divisors is an integer number (2000970).

Almost surely, 2^18466966 is an apocalyptic number.

18466966 is a deficient number, since it is larger than the sum of its proper divisors (13548554).

18466966 is a wasteful number, since it uses less digits than its factorization.

18466966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14919.

The product of its digits is 373248, while the sum is 46.

The square root of 18466966 is about 4297.3207932385. The cubic root of 18466966 is about 264.3211102614.

The spelling of 18466966 in words is "eighteen million, four hundred sixty-six thousand, nine hundred sixty-six".