10021166 has 8 divisors (see below), whose sum is σ = 15053880. Its totient is φ = 5003208.

The previous prime is 10021163. The next prime is 10021213. The reversal of 10021166 is 66112001.

It is a happy number.

10021166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796 + ... + 4823.

It is an arithmetic number, because the mean of its divisors is an integer number (1881735).

Almost surely, 2^10021166 is an apocalyptic number.

10021166 is a deficient number, since it is larger than the sum of its proper divisors (5032714).

10021166 is an equidigital number, since it uses as much as digits as its factorization.

10021166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10021166 is about 3165.6225296140. The cubic root of 10021166 is about 215.5953644351.

Adding to 10021166 its reverse (66112001), we get a palindrome (76133167).

The spelling of 10021166 in words is "ten million, twenty-one thousand, one hundred sixty-six".