14656666665 has 8 divisors (see below), whose sum is σ = 23450666688. Its totient is φ = 7816888880.

The previous prime is 14656666663. The next prime is 14656666681. The reversal of 14656666665 is 56666665641.

It is a happy number.

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

It is not a de Polignac number, because 14656666665 - 2¹ = 14656666663 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14656666663) 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 in 7 ways as a sum of consecutive naturals, for example, 488555541 + ... + 488555570.

It is an arithmetic number, because the mean of its divisors is an integer number (2931333336).

Almost surely, 2^14656666665 is an apocalyptic number.

14656666665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14656666665 is a deficient number, since it is larger than the sum of its proper divisors (8794000023).

14656666665 is an equidigital number, since it uses as much as digits as its factorization.

14656666665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977111119.

The product of its digits is 27993600, while the sum is 57.

The spelling of 14656666665 in words is "fourteen billion, six hundred fifty-six million, six hundred sixty-six thousand, six hundred sixty-five".