14066431655 has 16 divisors (see below), whose sum is σ = 17631972864. Its totient is φ = 10752661920.

The previous prime is 14066431637. The next prime is 14066431661. The reversal of 14066431655 is 55613466041.

It is not a de Polignac number, because 14066431655 - 2¹⁴ = 14066415271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 47960 + ... + 174450.

It is an arithmetic number, because the mean of its divisors is an integer number (1101998304).

Almost surely, 2^14066431655 is an apocalyptic number.

14066431655 is a deficient number, since it is larger than the sum of its proper divisors (3565541209).

14066431655 is a wasteful number, since it uses less digits than its factorization.

14066431655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127486.

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 14066431655 its reverse (55613466041), we get a palindrome (69679897696).

The spelling of 14066431655 in words is "fourteen billion, sixty-six million, four hundred thirty-one thousand, six hundred fifty-five".