105216641606 has 16 divisors (see below), whose sum is σ = 161518446144. Its totient is φ = 51377510184.

The previous prime is 105216641539. The next prime is 105216641641. The reversal of 105216641606 is 606146612501.

It is a happy number.

It is a super-2 number, since 2×105216641606² (a number of 23 digits) contains 22 as substring.

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 105216641606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542345 + ... + 710331.

It is an arithmetic number, because the mean of its divisors is an integer number (10094902884).

Almost surely, 2^105216641606 is an apocalyptic number.

105216641606 is a deficient number, since it is larger than the sum of its proper divisors (56301804538).

105216641606 is a wasteful number, since it uses less digits than its factorization.

105216641606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175315.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 105216641606 in words is "one hundred five billion, two hundred sixteen million, six hundred forty-one thousand, six hundred six".