12664586171 has 8 divisors (see below), whose sum is σ = 12686030304. Its totient is φ = 12643162560.

The previous prime is 12664586167. The next prime is 12664586183. The reversal of 12664586171 is 17168546621.

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 12664586171 - 2² = 12664586167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12664586111) 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, 1643690 + ... + 1651376.

It is an arithmetic number, because the mean of its divisors is an integer number (1585753788).

Almost surely, 2^12664586171 is an apocalyptic number.

12664586171 is a deficient number, since it is larger than the sum of its proper divisors (21444133).

12664586171 is a wasteful number, since it uses less digits than its factorization.

12664586171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10261.

The product of its digits is 483840, while the sum is 47.

The spelling of 12664586171 in words is "twelve billion, six hundred sixty-four million, five hundred eighty-six thousand, one hundred seventy-one".