13479687746566 has 16 divisors (see below), whose sum is σ = 20871873792000. Its totient is φ = 6522398549640.

The previous prime is 13479687746533. The next prime is 13479687746593. The reversal of 13479687746566 is 66564778697431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17858185 + ... + 18597691.

It is an arithmetic number, because the mean of its divisors is an integer number (1304492112000).

Almost surely, 2^{13479687746566} is an apocalyptic number.

13479687746566 is a deficient number, since it is larger than the sum of its proper divisors (7392186045434).

13479687746566 is a wasteful number, since it uses less digits than its factorization.

13479687746566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033539.

The product of its digits is 7681443840, while the sum is 79.

The spelling of 13479687746566 in words is "thirteen trillion, four hundred seventy-nine billion, six hundred eighty-seven million, seven hundred forty-six thousand, five hundred sixty-six".