100001166 has 16 divisors (see below), whose sum is σ = 200258688. Its totient is φ = 33291000.

The previous prime is 100001159. The next prime is 100001177. The reversal of 100001166 is 661100001.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 5410 + ... + 15141.

It is an arithmetic number, because the mean of its divisors is an integer number (12516168).

Almost surely, 2^100001166 is an apocalyptic number.

100001166 is an abundant number, since it is smaller than the sum of its proper divisors (100257522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100001166 is a wasteful number, since it uses less digits than its factorization.

100001166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21367.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 100001166 is about 10000.0582998301. The cubic root of 100001166 is about 464.1606873851.

Adding to 100001166 its reverse (661100001), we get a palindrome (761101167).

The spelling of 100001166 in words is "one hundred million, one thousand, one hundred sixty-six".