13266163365 has 64 divisors (see below), whose sum is σ = 26680098816. Its totient is φ = 5478895872.

The previous prime is 13266163363. The next prime is 13266163369. The reversal of 13266163365 is 56336166231.

It is not a de Polignac number, because 13266163365 - 2¹ = 13266163363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13266163363) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39237 + ... + 167546.

It is an arithmetic number, because the mean of its divisors is an integer number (416876544).

Almost surely, 2^13266163365 is an apocalyptic number.

13266163365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13266163365 is an abundant number, since it is smaller than the sum of its proper divisors (13413935451).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13266163365 is a wasteful number, since it uses less digits than its factorization.

13266163365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206858.

The product of its digits is 349920, while the sum is 42.

The spelling of 13266163365 in words is "thirteen billion, two hundred sixty-six million, one hundred sixty-three thousand, three hundred sixty-five".