66740014117 has 8 divisors (see below), whose sum is σ = 76279524416. Its totient is φ = 57201809472.

The previous prime is 66740014087. The next prime is 66740014127. The reversal of 66740014117 is 71141004766.

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 66740014117 - 2¹¹ = 66740012069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66740014127) 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, 214308 + ... + 423565.

It is an arithmetic number, because the mean of its divisors is an integer number (9534940552).

Almost surely, 2^66740014117 is an apocalyptic number.

It is an amenable number.

66740014117 is a deficient number, since it is larger than the sum of its proper divisors (9539510299).

66740014117 is a wasteful number, since it uses less digits than its factorization.

66740014117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652827.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 66740014117 in words is "sixty-six billion, seven hundred forty million, fourteen thousand, one hundred seventeen".