14643663 has 8 divisors (see below), whose sum is σ = 20373888. Its totient is φ = 9337944.

The previous prime is 14643659. The next prime is 14643697. The reversal of 14643663 is 36634641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14643663 - 2² = 14643659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14643653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106045 + ... + 106182.

It is an arithmetic number, because the mean of its divisors is an integer number (2546736).

Almost surely, 2^14643663 is an apocalyptic number.

14643663 is a deficient number, since it is larger than the sum of its proper divisors (5730225).

14643663 is a wasteful number, since it uses less digits than its factorization.

14643663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212253.

The product of its digits is 31104, while the sum is 33.

The square root of 14643663 is about 3826.7039341972. The cubic root of 14643663 is about 244.6526411671.

The spelling of 14643663 in words is "fourteen million, six hundred forty-three thousand, six hundred sixty-three".