14181664 has 24 divisors (see below), whose sum is σ = 31909248. Its totient is φ = 6077760.

The previous prime is 14181659. The next prime is 14181677. The reversal of 14181664 is 46618141.

It is a super-2 number, since 2×14181664² = 402239187617792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 16.

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, 31432 + ... + 31879.

It is an arithmetic number, because the mean of its divisors is an integer number (1329552).

Almost surely, 2^14181664 is an apocalyptic number.

14181664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

14181664 is an abundant number, since it is smaller than the sum of its proper divisors (17727584).

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

14181664 is an equidigital number, since it uses as much as digits as its factorization.

14181664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63328 (or 63320 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 14181664 is about 3765.8550157965. The cubic root of 14181664 is about 242.0522164946.

The spelling of 14181664 in words is "fourteen million, one hundred eighty-one thousand, six hundred sixty-four".