13066978196699 has 16 divisors (see below), whose sum is σ = 15583301959680. Its totient is φ = 10713077691360.

The previous prime is 13066978196693. The next prime is 13066978196707. The reversal of 13066978196699 is 99669187966031.

It is a cyclic number.

It is not a de Polignac number, because 13066978196699 - 2⁸ = 13066978196443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13066978196693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7224029 + ... + 8849889.

It is an arithmetic number, because the mean of its divisors is an integer number (973956372480).

Almost surely, 2^{13066978196699} is an apocalyptic number.

13066978196699 is a deficient number, since it is larger than the sum of its proper divisors (2516323762981).

13066978196699 is a wasteful number, since it uses less digits than its factorization.

13066978196699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675810.

The product of its (nonzero) digits is 1428513408, while the sum is 80.

The spelling of 13066978196699 in words is "thirteen trillion, sixty-six billion, nine hundred seventy-eight million, one hundred ninety-six thousand, six hundred ninety-nine".