105664210 has 8 divisors (see below), whose sum is σ = 190195596. Its totient is φ = 42265680.

The previous prime is 105664189. The next prime is 105664211. The reversal of 105664210 is 12466501.

It can be written as a sum of positive squares in 2 ways, for example, as 103164649 + 2499561 = 10157^2 + 1581^2 .

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

It is a super-2 number, since 2×105664210² = 22329850549848200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105664211) 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 3 ways as a sum of consecutive naturals, for example, 5283201 + ... + 5283220.

Almost surely, 2^105664210 is an apocalyptic number.

105664210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105664210 is a deficient number, since it is larger than the sum of its proper divisors (84531386).

105664210 is a wasteful number, since it uses less digits than its factorization.

105664210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566428.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 105664210 is about 10279.3098017328. The cubic root of 105664210 is about 472.7620822381.

The spelling of 105664210 in words is "one hundred five million, six hundred sixty-four thousand, two hundred ten".