14568661 has 4 divisors (see below), whose sum is σ = 14576800. Its totient is φ = 14560524.

The previous prime is 14568647. The next prime is 14568727. The reversal of 14568661 is 16686541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16686541 = 19 ⋅878239.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14568661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14568661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14568601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81 + ... + 5398.

It is an arithmetic number, because the mean of its divisors is an integer number (3644200).

Almost surely, 2^14568661 is an apocalyptic number.

It is an amenable number.

14568661 is a deficient number, since it is larger than the sum of its proper divisors (8139).

14568661 is an equidigital number, since it uses as much as digits as its factorization.

14568661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138.

The product of its digits is 34560, while the sum is 37.

The square root of 14568661 is about 3816.8915363159. The cubic root of 14568661 is about 244.2342382430.

The spelling of 14568661 in words is "fourteen million, five hundred sixty-eight thousand, six hundred sixty-one".