13040365216606 has 128 divisors (see below), whose sum is σ = 25498404771840. Its totient is φ = 4860967085568.

The previous prime is 13040365216591. The next prime is 13040365216643. The reversal of 13040365216606 is 60661256304031.

It is a super-2 number, since 2×13040365216606² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78852801 + ... + 79018003.

It is an arithmetic number, because the mean of its divisors is an integer number (199206287280).

Almost surely, 2^{13040365216606} is an apocalyptic number.

13040365216606 is a deficient number, since it is larger than the sum of its proper divisors (12458039555234).

13040365216606 is a wasteful number, since it uses less digits than its factorization.

13040365216606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165530.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 13040365216606 in words is "thirteen trillion, forty billion, three hundred sixty-five million, two hundred sixteen thousand, six hundred six".