14156661 has 16 divisors (see below), whose sum is σ = 19814400. Its totient is φ = 8973360.

The previous prime is 14156641. The next prime is 14156683. The reversal of 14156661 is 16665141.

It is not a de Polignac number, because 14156661 - 2¹⁰ = 14155637 is a prime.

It is a super-2 number, since 2×14156661² = 400822101337842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14156641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13216 + ... + 14246.

It is an arithmetic number, because the mean of its divisors is an integer number (1238400).

Almost surely, 2^14156661 is an apocalyptic number.

It is an amenable number.

14156661 is a deficient number, since it is larger than the sum of its proper divisors (5657739).

14156661 is a wasteful number, since it uses less digits than its factorization.

14156661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256.

The product of its digits is 4320, while the sum is 30.

The square root of 14156661 is about 3762.5338536683. The cubic root of 14156661 is about 241.9098826628.

The spelling of 14156661 in words is "fourteen million, one hundred fifty-six thousand, six hundred sixty-one".