14331661 has 4 divisors (see below), whose sum is σ = 14340672. Its totient is φ = 14322652.

The previous prime is 14331623. The next prime is 14331671. The reversal of 14331661 is 16613341.

It is a happy number.

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: 16613341 = 619 ⋅26839.

It is a cyclic number.

It is not a de Polignac number, because 14331661 - 2¹¹ = 14329613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14331671) 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, 1411 + ... + 5536.

It is an arithmetic number, because the mean of its divisors is an integer number (3585168).

Almost surely, 2^14331661 is an apocalyptic number.

It is an amenable number.

14331661 is a deficient number, since it is larger than the sum of its proper divisors (9011).

14331661 is an equidigital number, since it uses as much as digits as its factorization.

14331661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010.

The product of its digits is 1296, while the sum is 25.

The square root of 14331661 is about 3785.7180296477. The cubic root of 14331661 is about 242.9026067957.

The spelling of 14331661 in words is "fourteen million, three hundred thirty-one thousand, six hundred sixty-one".