12664413164 has 96 divisors (see below), whose sum is σ = 24701315520. Its totient is φ = 5679438336.

The previous prime is 12664413137. The next prime is 12664413173. The reversal of 12664413164 is 46131446621.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80664974 + ... + 80665130.

It is an arithmetic number, because the mean of its divisors is an integer number (257305370).

Almost surely, 2^12664413164 is an apocalyptic number.

It is an amenable number.

12664413164 is a deficient number, since it is larger than the sum of its proper divisors (12036902356).

12664413164 is a wasteful number, since it uses less digits than its factorization.

12664413164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 376 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

Adding to 12664413164 its reverse (46131446621), we get a palindrome (58795859785).

The spelling of 12664413164 in words is "twelve billion, six hundred sixty-four million, four hundred thirteen thousand, one hundred sixty-four".