14016661 has 4 divisors (see below), whose sum is σ = 14754400. Its totient is φ = 13278924.

The previous prime is 14016659. The next prime is 14016671. The reversal of 14016661 is 16661041.

14016661 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 16661041 = 1709 ⋅9749.

It is a cyclic number.

It is not a de Polignac number, because 14016661 - 2¹ = 14016659 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 (14016631) 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, 368841 + ... + 368878.

It is an arithmetic number, because the mean of its divisors is an integer number (3688600).

Almost surely, 2^14016661 is an apocalyptic number.

It is an amenable number.

14016661 is a deficient number, since it is larger than the sum of its proper divisors (737739).

14016661 is an equidigital number, since it uses as much as digits as its factorization.

14016661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737738.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 14016661 is about 3743.8831445439. The cubic root of 14016661 is about 241.1097965640.

The spelling of 14016661 in words is "fourteen million, sixteen thousand, six hundred sixty-one".