13166966562793 has 16 divisors (see below), whose sum is σ = 13867868929600. Its totient is φ = 12466856525760.

The previous prime is 13166966562791. The next prime is 13166966562811. The reversal of 13166966562793 is 39726566966131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13166966562793 - 2¹ = 13166966562791 is a prime.

It is the 3628632-nd Hogben number.

It is not an unprimeable number, because it can be changed into a prime (13166966562791) by changing a digit.

It is a nontrivial repunit in base 3628631.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294060355 + ... + 294105127.

It is an arithmetic number, because the mean of its divisors is an integer number (866741808100).

Almost surely, 2^{13166966562793} is an apocalyptic number.

It is an amenable number.

13166966562793 is a deficient number, since it is larger than the sum of its proper divisors (700902366807).

13166966562793 is a wasteful number, since it uses less digits than its factorization.

13166966562793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53272.

The product of its digits is 396809280, while the sum is 70.

The spelling of 13166966562793 in words is "thirteen trillion, one hundred sixty-six billion, nine hundred sixty-six million, five hundred sixty-two thousand, seven hundred ninety-three".