14666966783 has 4 divisors (see below), whose sum is σ = 16762247760. Its totient is φ = 12571685808.

The previous prime is 14666966701. The next prime is 14666966789. The reversal of 14666966783 is 38766966641.

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

It is a cyclic number.

It is not a de Polignac number, because 14666966783 - 2¹⁴ = 14666950399 is a prime.

It is a super-2 number, since 2×14666966783² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14666966789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047640478 + ... + 1047640491.

It is an arithmetic number, because the mean of its divisors is an integer number (4190561940).

Almost surely, 2^14666966783 is an apocalyptic number.

14666966783 is a deficient number, since it is larger than the sum of its proper divisors (2095280977).

14666966783 is an equidigital number, since it uses as much as digits as its factorization.

14666966783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095280976.

The product of its digits is 47029248, while the sum is 62.

The spelling of 14666966783 in words is "fourteen billion, six hundred sixty-six million, nine hundred sixty-six thousand, seven hundred eighty-three".