10415221066 has 16 divisors (see below), whose sum is σ = 16173903240. Its totient is φ = 5024194560.

The previous prime is 10415221027. The next prime is 10415221067. The reversal of 10415221066 is 66012251401.

10415221066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10400940225 + 14280841 = 101985^2 + 3779^2 .

It is not an unprimeable number, because it can be changed into a prime (10415221067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8650 + ... + 144586.

Almost surely, 2^10415221066 is an apocalyptic number.

10415221066 is a deficient number, since it is larger than the sum of its proper divisors (5758682174).

10415221066 is a wasteful number, since it uses less digits than its factorization.

10415221066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137289.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 10415221066 its reverse (66012251401), we get a palindrome (76427472467).

The spelling of 10415221066 in words is "ten billion, four hundred fifteen million, two hundred twenty-one thousand, sixty-six".