102001166 has 8 divisors (see below), whose sum is σ = 154938720. Its totient is φ = 50354928.

The previous prime is 102001157. The next prime is 102001171. The reversal of 102001166 is 661100201.

It is a happy number.

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

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322631 + ... + 322946.

It is an arithmetic number, because the mean of its divisors is an integer number (19367340).

Almost surely, 2^102001166 is an apocalyptic number.

102001166 is a deficient number, since it is larger than the sum of its proper divisors (52937554).

102001166 is an equidigital number, since it uses as much as digits as its factorization.

102001166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645658.

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

The square root of 102001166 is about 10099.5626637989. The cubic root of 102001166 is about 467.2346531998.

Adding to 102001166 its reverse (661100201), we get a palindrome (763101367).

The spelling of 102001166 in words is "one hundred two million, one thousand, one hundred sixty-six".