36868837117818 has 16 divisors (see below), whose sum is σ = 76943660072256. Its totient is φ = 11755281399840.

The previous prime is 36868837117813. The next prime is 36868837117831. The reversal of 36868837117818 is 81871173886863.

It is a super-2 number, since 2×36868837117818² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36868837117818.

It is not an unprimeable number, because it can be changed into a prime (36868837117813) 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, 133582743043 + ... + 133582743318.

It is an arithmetic number, because the mean of its divisors is an integer number (4808978754516).

Almost surely, 2^{36868837117818} is an apocalyptic number.

36868837117818 is an abundant number, since it is smaller than the sum of its proper divisors (40074822954438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36868837117818 is a wasteful number, since it uses less digits than its factorization.

36868837117818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267165486389.

The product of its digits is 520224768, while the sum is 75.

The spelling of 36868837117818 in words is "thirty-six trillion, eight hundred sixty-eight billion, eight hundred thirty-seven million, one hundred seventeen thousand, eight hundred eighteen".