12664606467 has 16 divisors (see below), whose sum is σ = 18216796320. Its totient is φ = 7796485632.

The previous prime is 12664606447. The next prime is 12664606499. The reversal of 12664606467 is 76460646621.

It is not a de Polignac number, because 12664606467 - 2¹⁴ = 12664590083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12664606447) 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 15 ways as a sum of consecutive naturals, for example, 2339992 + ... + 2345397.

It is an arithmetic number, because the mean of its divisors is an integer number (1138549770).

Almost surely, 2^12664606467 is an apocalyptic number.

12664606467 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12664606467 is a deficient number, since it is larger than the sum of its proper divisors (5552189853).

12664606467 is a wasteful number, since it uses less digits than its factorization.

12664606467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685462.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 12664606467 in words is "twelve billion, six hundred sixty-four million, six hundred six thousand, four hundred sixty-seven".