14131661 has 4 divisors (see below), whose sum is σ = 14146524. Its totient is φ = 14116800.

The previous prime is 14131657. The next prime is 14131673. The reversal of 14131661 is 16613141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6325225 + 7806436 = 2515^2 + 2794^2 .

It is a cyclic number.

It is not a de Polignac number, because 14131661 - 2² = 14131657 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 (14131681) 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, 5900 + ... + 7941.

It is an arithmetic number, because the mean of its divisors is an integer number (3536631).

Almost surely, 2^14131661 is an apocalyptic number.

It is an amenable number.

14131661 is a deficient number, since it is larger than the sum of its proper divisors (14863).

14131661 is a wasteful number, since it uses less digits than its factorization.

14131661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14862.

The product of its digits is 432, while the sum is 23.

The square root of 14131661 is about 3759.2101564025. The cubic root of 14131661 is about 241.7673982503.

The spelling of 14131661 in words is "fourteen million, one hundred thirty-one thousand, six hundred sixty-one".