636106116363 has 16 divisors (see below), whose sum is σ = 872945650176. Its totient is φ = 411718174560.

The previous prime is 636106116361. The next prime is 636106116367. The reversal of 636106116363 is 363611601636.

It is not a de Polignac number, because 636106116363 - 2¹ = 636106116361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (636106116361) 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, 6137253 + ... + 6240038.

It is an arithmetic number, because the mean of its divisors is an integer number (54559103136).

Almost surely, 2^636106116363 is an apocalyptic number.

636106116363 is a deficient number, since it is larger than the sum of its proper divisors (236839533813).

636106116363 is a wasteful number, since it uses less digits than its factorization.

636106116363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12377794.

The product of its (nonzero) digits is 209952, while the sum is 42.

Adding to 636106116363 its reverse (363611601636), we get a palindrome (999717717999).

The spelling of 636106116363 in words is "six hundred thirty-six billion, one hundred six million, one hundred sixteen thousand, three hundred sixty-three".