5168812636 has 24 divisors (see below), whose sum is σ = 9784928384. Its totient is φ = 2374902720.

The previous prime is 5168812603. The next prime is 5168812637. The reversal of 5168812636 is 6362188615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5168812637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211275 + ... + 234466.

Almost surely, 2^5168812636 is an apocalyptic number.

It is an amenable number.

5168812636 is a deficient number, since it is larger than the sum of its proper divisors (4616115748).

5168812636 is a wasteful number, since it uses less digits than its factorization.

5168812636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445981 (or 445979 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 5168812636 is about 71894.4548348480. The cubic root of 5168812636 is about 1729.0077101027.

The spelling of 5168812636 in words is "five billion, one hundred sixty-eight million, eight hundred twelve thousand, six hundred thirty-six".