66714071107 has 4 divisors (see below), whose sum is σ = 66773479240. Its totient is φ = 66654662976.

The previous prime is 66714071093. The next prime is 66714071129. The reversal of 66714071107 is 70117041766.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66714071107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66714071107.

It is not an unprimeable number, because it can be changed into a prime (66714071197) 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 3 ways as a sum of consecutive naturals, for example, 29702382 + ... + 29704627.

It is an arithmetic number, because the mean of its divisors is an integer number (16693369810).

Almost surely, 2^66714071107 is an apocalyptic number.

66714071107 is a deficient number, since it is larger than the sum of its proper divisors (59408133).

66714071107 is a wasteful number, since it uses less digits than its factorization.

66714071107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59408132.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 66714071107 in words is "sixty-six billion, seven hundred fourteen million, seventy-one thousand, one hundred seven".