8163253635536 has 10 divisors (see below), whose sum is σ = 15816303918882. Its totient is φ = 4081626817760.

The previous prime is 8163253635533. The next prime is 8163253635541. The reversal of 8163253635536 is 6355363523618.

It can be written as a sum of positive squares in only one way, i.e., 8156987329936 + 6266305600 = 2856044^2 + 79160^2 .

It is a super-2 number, since 2×8163253635536² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8163253635533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255101676095 + ... + 255101676126.

Almost surely, 2^{8163253635536} is an apocalyptic number.

It is an amenable number.

8163253635536 is a deficient number, since it is larger than the sum of its proper divisors (7653050283346).

8163253635536 is a wasteful number, since it uses less digits than its factorization.

8163253635536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510203352229 (or 510203352223 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 56.

The spelling of 8163253635536 in words is "eight trillion, one hundred sixty-three billion, two hundred fifty-three million, six hundred thirty-five thousand, five hundred thirty-six".