14005666065 has 16 divisors (see below), whose sum is σ = 22885855488. Its totient is φ = 7310758656.

The previous prime is 14005666039. The next prime is 14005666067. The reversal of 14005666065 is 56066650041.

It is not a de Polignac number, because 14005666065 - 2¹⁰ = 14005665041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14005666067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9932392 + ... + 9933801.

It is an arithmetic number, because the mean of its divisors is an integer number (1430365968).

Almost surely, 2^14005666065 is an apocalyptic number.

14005666065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14005666065 is a deficient number, since it is larger than the sum of its proper divisors (8880189423).

14005666065 is a wasteful number, since it uses less digits than its factorization.

14005666065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19866248.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 14005666065 in words is "fourteen billion, five million, six hundred sixty-six thousand, sixty-five".