13180768868 has 6 divisors (see below), whose sum is σ = 23066345526. Its totient is φ = 6590384432.

The previous prime is 13180768841. The next prime is 13180768871. The reversal of 13180768868 is 86886708131.

It can be written as a sum of positive squares in only one way, i.e., 11045589604 + 2135179264 = 105098^2 + 46208^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1647596105 + ... + 1647596112.

It is an arithmetic number, because the mean of its divisors is an integer number (3844390921).

Almost surely, 2^13180768868 is an apocalyptic number.

It is an amenable number.

13180768868 is a deficient number, since it is larger than the sum of its proper divisors (9885576658).

13180768868 is a wasteful number, since it uses less digits than its factorization.

13180768868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295192221 (or 3295192219 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 13180768868 in words is "thirteen billion, one hundred eighty million, seven hundred sixty-eight thousand, eight hundred sixty-eight".