14155663 has 2 divisors, whose sum is σ = 14155664. Its totient is φ = 14155662.

The previous prime is 14155651. The next prime is 14155667. The reversal of 14155663 is 36655141.

It is a strong prime.

It is an emirp because it is prime and its reverse (36655141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14155663 - 2⁹ = 14155151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14155667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7077831 + 7077832.

It is an arithmetic number, because the mean of its divisors is an integer number (7077832).

Almost surely, 2^14155663 is an apocalyptic number.

14155663 is a deficient number, since it is larger than the sum of its proper divisors (1).

14155663 is an equidigital number, since it uses as much as digits as its factorization.

14155663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 14155663 is about 3762.4012279394. The cubic root of 14155663 is about 241.9041979010.

The spelling of 14155663 in words is "fourteen million, one hundred fifty-five thousand, six hundred sixty-three".