14261661 has 6 divisors (see below), whose sum is σ = 20600190. Its totient is φ = 9507768.

The previous prime is 14261651. The next prime is 14261683. The reversal of 14261661 is 16616241.

14261661 is a `hidden beast` number, since 1 + 42 + 616 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14175225 + 86436 = 3765^2 + 294^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14261661 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14261651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 792306 + ... + 792323.

It is an arithmetic number, because the mean of its divisors is an integer number (3433365).

Almost surely, 2^14261661 is an apocalyptic number.

It is an amenable number.

14261661 is a deficient number, since it is larger than the sum of its proper divisors (6338529).

14261661 is a wasteful number, since it uses less digits than its factorization.

14261661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584635 (or 1584632 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 14261661 is about 3776.4614389664. The cubic root of 14261661 is about 242.5064921917.

The spelling of 14261661 in words is "fourteen million, two hundred sixty-one thousand, six hundred sixty-one".