105680218 has 8 divisors (see below), whose sum is σ = 181166112. Its totient is φ = 45291516.

The previous prime is 105680207. The next prime is 105680227. The reversal of 105680218 is 812086501.

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

It is a super-2 number, since 2×105680218² = 22336616953055048, 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 105680218.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3774280 + ... + 3774307.

It is an arithmetic number, because the mean of its divisors is an integer number (22645764).

Almost surely, 2^105680218 is an apocalyptic number.

105680218 is a deficient number, since it is larger than the sum of its proper divisors (75485894).

105680218 is an equidigital number, since it uses as much as digits as its factorization.

105680218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548596.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 105680218 is about 10280.0884237442. The cubic root of 105680218 is about 472.7859553271.

The spelling of 105680218 in words is "one hundred five million, six hundred eighty thousand, two hundred eighteen".