13000011766 has 16 divisors (see below), whose sum is σ = 22293966240. Its totient is φ = 5569375680.

The previous prime is 13000011751. The next prime is 13000011779. The reversal of 13000011766 is 66711000031.

It is a happy number.

It is a super-2 number, since 2×13000011766² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13000011766.

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, 131925 + ... + 208336.

It is an arithmetic number, because the mean of its divisors is an integer number (1393372890).

Almost surely, 2^13000011766 is an apocalyptic number.

13000011766 is a deficient number, since it is larger than the sum of its proper divisors (9293954474).

13000011766 is a wasteful number, since it uses less digits than its factorization.

13000011766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342999.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 13000011766 its reverse (66711000031), we get a palindrome (79711011797).

The spelling of 13000011766 in words is "thirteen billion, eleven thousand, seven hundred sixty-six".