28101166 has 8 divisors (see below), whose sum is σ = 42459840. Its totient is φ = 13947888.

The previous prime is 28101149. The next prime is 28101173. The reversal of 28101166 is 66110182.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28101166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51006 + ... + 51553.

It is an arithmetic number, because the mean of its divisors is an integer number (5307480).

Almost surely, 2^28101166 is an apocalyptic number.

28101166 is a deficient number, since it is larger than the sum of its proper divisors (14358674).

28101166 is a wasteful number, since it uses less digits than its factorization.

28101166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102698.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 28101166 is about 5301.0532915639. The cubic root of 28101166 is about 304.0241713814.

The spelling of 28101166 in words is "twenty-eight million, one hundred one thousand, one hundred sixty-six".