13066689686 has 16 divisors (see below), whose sum is σ = 19810221408. Its totient is φ = 6463497600.

The previous prime is 13066689659. The next prime is 13066689697. The reversal of 13066689686 is 68698666031.

It is a Curzon number.

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, 68831 + ... + 175701.

It is an arithmetic number, because the mean of its divisors is an integer number (1238138838).

Almost surely, 2^13066689686 is an apocalyptic number.

13066689686 is a deficient number, since it is larger than the sum of its proper divisors (6743531722).

13066689686 is a wasteful number, since it uses less digits than its factorization.

13066689686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107527.

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 13066689686 in words is "thirteen billion, sixty-six million, six hundred eighty-nine thousand, six hundred eighty-six".