163636260365313 has 24 divisors (see below), whose sum is σ = 246097769187816. Its totient is φ = 104685332486400.

The previous prime is 163636260365287. The next prime is 163636260365323. The reversal of 163636260365313 is 313563062636361.

163636260365313 is a `hidden beast` number, since 1 + 6 + 3 + 6 + 3 + 6 + 260 + 3 + 65 + 313 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 42107860749249 + 121528399616064 = 6489057^2 + 11023992^2 .

It is not a de Polignac number, because 163636260365313 - 2²⁶ = 163636193256449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163636260365313.

It is not an unprimeable number, because it can be changed into a prime (163636260365323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3634884870 + ... + 3634929887.

It is an arithmetic number, because the mean of its divisors is an integer number (10254073716159).

Almost surely, 2^{163636260365313} is an apocalyptic number.

It is an amenable number.

163636260365313 is a deficient number, since it is larger than the sum of its proper divisors (82461508822503).

163636260365313 is a wasteful number, since it uses less digits than its factorization.

163636260365313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269814865 (or 7269814862 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 54.

The spelling of 163636260365313 in words is "one hundred sixty-three trillion, six hundred thirty-six billion, two hundred sixty million, three hundred sixty-five thousand, three hundred thirteen".