65536818 has 8 divisors (see below), whose sum is σ = 131073648. Its totient is φ = 21845604.

The previous prime is 65536777. The next prime is 65536829. The reversal of 65536818 is 81863556.

It is a sphenic number, since it is the product of 3 distinct primes.

65536818 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65536818.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5461396 + ... + 5461407.

It is an arithmetic number, because the mean of its divisors is an integer number (16384206).

Almost surely, 2^65536818 is an apocalyptic number.

65536818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65536818 is a wasteful number, since it uses less digits than its factorization.

65536818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10922808.

The product of its digits is 172800, while the sum is 42.

The square root of 65536818 is about 8095.4813322001. The cubic root of 65536818 is about 403.1764133933.

It can be divided in two parts, 655 and 36818, that added together give a palindrome (37473).

The spelling of 65536818 in words is "sixty-five million, five hundred thirty-six thousand, eight hundred eighteen".