12664054552 has 16 divisors (see below), whose sum is σ = 24045674400. Its totient is φ = 6251874720.

The previous prime is 12664054549. The next prime is 12664054567. The reversal of 12664054552 is 25545046621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10018399 + ... + 10019662.

It is an arithmetic number, because the mean of its divisors is an integer number (1502854650).

Almost surely, 2^12664054552 is an apocalyptic number.

It is an amenable number.

12664054552 is a deficient number, since it is larger than the sum of its proper divisors (11381619848).

12664054552 is a wasteful number, since it uses less digits than its factorization.

12664054552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20038146 (or 20038142 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 12664054552 in words is "twelve billion, six hundred sixty-four million, fifty-four thousand, five hundred fifty-two".