105568818 has 32 divisors (see below), whose sum is σ = 217969920. Its totient is φ = 34069200.

The previous prime is 105568817. The next prime is 105568819. The reversal of 105568818 is 818865501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (105568817) and next prime (105568819).

It is a super-2 number, since 2×105568818² = 22289550667834248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105568818.

It is not an unprimeable number, because it can be changed into a prime (105568811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21493 + ... + 25943.

It is an arithmetic number, because the mean of its divisors is an integer number (6811560).

Almost surely, 2^105568818 is an apocalyptic number.

105568818 is an abundant number, since it is smaller than the sum of its proper divisors (112401102).

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

105568818 is a wasteful number, since it uses less digits than its factorization.

105568818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582.

The product of its (nonzero) digits is 76800, while the sum is 42.

The square root of 105568818 is about 10274.6687537847. The cubic root of 105568818 is about 472.6197719941.

The spelling of 105568818 in words is "one hundred five million, five hundred sixty-eight thousand, eight hundred eighteen".