14656666666 has 4 divisors (see below), whose sum is σ = 21985000002. Its totient is φ = 7328333332.

The previous prime is 14656666663. The next prime is 14656666681. The reversal of 14656666666 is 66666665641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13368215641 + 1288451025 = 115621^2 + 35895^2 .

14656666666 is a modest number, since divided by 666666 gives 14656 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 14656666666.

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 as a sum of consecutive naturals, namely, 3664166665 + ... + 3664166668.

Almost surely, 2^14656666666 is an apocalyptic number.

14656666666 is a deficient number, since it is larger than the sum of its proper divisors (7328333336).

14656666666 is an equidigital number, since it uses as much as digits as its factorization.

14656666666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328333335.

The product of its digits is 33592320, while the sum is 58.

The spelling of 14656666666 in words is "fourteen billion, six hundred fifty-six million, six hundred sixty-six thousand, six hundred sixty-six".