28327502166 has 8 divisors (see below), whose sum is σ = 56655004344. Its totient is φ = 9442500720.

The previous prime is 28327502107. The next prime is 28327502171. The reversal of 28327502166 is 66120572382.

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

28327502166 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 2360625175 + ... + 2360625186.

It is an arithmetic number, because the mean of its divisors is an integer number (7081875543).

Almost surely, 2^28327502166 is an apocalyptic number.

28327502166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28327502166 is a wasteful number, since it uses less digits than its factorization.

28327502166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721250366.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 28327502166 in words is "twenty-eight billion, three hundred twenty-seven million, five hundred two thousand, one hundred sixty-six".