66714833689 has 8 divisors (see below), whose sum is σ = 79560547200. Its totient is φ = 54697875936.

The previous prime is 66714833683. The next prime is 66714833701. The reversal of 66714833689 is 98633841766.

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

It is a cyclic number.

It is not a de Polignac number, because 66714833689 - 2⁷ = 66714833561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66714833683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207188764 + ... + 207189085.

It is an arithmetic number, because the mean of its divisors is an integer number (9945068400).

Almost surely, 2^66714833689 is an apocalyptic number.

It is an amenable number.

66714833689 is a deficient number, since it is larger than the sum of its proper divisors (12845713511).

66714833689 is a wasteful number, since it uses less digits than its factorization.

66714833689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414377879.

The product of its digits is 31352832, while the sum is 61.

The spelling of 66714833689 in words is "sixty-six billion, seven hundred fourteen million, eight hundred thirty-three thousand, six hundred eighty-nine".