13316556256664 has 16 divisors (see below), whose sum is σ = 24968583151800. Its totient is φ = 6658267416192.

The previous prime is 13316556256643. The next prime is 13316556256687. The reversal of 13316556256664 is 46665265561331.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6996839 + ... + 8694185.

Almost surely, 2^{13316556256664} is an apocalyptic number.

It is an amenable number.

13316556256664 is a deficient number, since it is larger than the sum of its proper divisors (11652026895136).

13316556256664 is a wasteful number, since it uses less digits than its factorization.

13316556256664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678042 (or 2678038 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 59.

The spelling of 13316556256664 in words is "thirteen trillion, three hundred sixteen billion, five hundred fifty-six million, two hundred fifty-six thousand, six hundred sixty-four".