13165233347 has 16 divisors (see below), whose sum is σ = 15950561472. Its totient is φ = 10607677440.

The previous prime is 13165233271. The next prime is 13165233349. The reversal of 13165233347 is 74333256131.

It is a cyclic number.

It is not a de Polignac number, because 13165233347 - 2¹⁰ = 13165232323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13165233347.

It is not an unprimeable number, because it can be changed into a prime (13165233349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30323 + ... + 165075.

It is an arithmetic number, because the mean of its divisors is an integer number (996910092).

Almost surely, 2^13165233347 is an apocalyptic number.

13165233347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13165233347 is a deficient number, since it is larger than the sum of its proper divisors (2785328125).

13165233347 is a wasteful number, since it uses less digits than its factorization.

13165233347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135598.

The product of its digits is 136080, while the sum is 38.

Adding to 13165233347 its reverse (74333256131), we get a palindrome (87498489478).

The spelling of 13165233347 in words is "thirteen billion, one hundred sixty-five million, two hundred thirty-three thousand, three hundred forty-seven".