14066661 has 32 divisors (see below), whose sum is σ = 22220800. Its totient is φ = 7750080.

The previous prime is 14066651. The next prime is 14066671. The reversal of 14066661 is 16666041.

It is an interprime number because it is at equal distance from previous prime (14066651) and next prime (14066671).

It is not a de Polignac number, because 14066661 - 2⁶ = 14066597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14066621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101130 + ... + 101268.

It is an arithmetic number, because the mean of its divisors is an integer number (694400).

Almost surely, 2^14066661 is an apocalyptic number.

It is an amenable number.

14066661 is a deficient number, since it is larger than the sum of its proper divisors (8154139).

14066661 is a wasteful number, since it uses less digits than its factorization.

14066661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 14066661 is about 3750.5547589657. The cubic root of 14066661 is about 241.3961506264.

The spelling of 14066661 in words is "fourteen million, sixty-six thousand, six hundred sixty-one".