12536434163 has 16 divisors (see below), whose sum is σ = 13721443200. Its totient is φ = 11359054080.

The previous prime is 12536434147. The next prime is 12536434177. The reversal of 12536434163 is 36143463521.

It is not a de Polignac number, because 12536434163 - 2⁴ = 12536434147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12536434103) 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, 5752208 + ... + 5754386.

It is an arithmetic number, because the mean of its divisors is an integer number (857590200).

Almost surely, 2^12536434163 is an apocalyptic number.

12536434163 is a deficient number, since it is larger than the sum of its proper divisors (1185009037).

12536434163 is a wasteful number, since it uses less digits than its factorization.

12536434163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682.

The product of its digits is 155520, while the sum is 38.

Adding to 12536434163 its reverse (36143463521), we get a palindrome (48679897684).

The spelling of 12536434163 in words is "twelve billion, five hundred thirty-six million, four hundred thirty-four thousand, one hundred sixty-three".