28668500466 has 16 divisors (see below), whose sum is σ = 59829914304. Its totient is φ = 9140681264.

The previous prime is 28668500461. The next prime is 28668500467. The reversal of 28668500466 is 66400586682.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28668500461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103871241 + ... + 103871516.

It is an arithmetic number, because the mean of its divisors is an integer number (3739369644).

Almost surely, 2^28668500466 is an apocalyptic number.

28668500466 is an abundant number, since it is smaller than the sum of its proper divisors (31161413838).

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

28668500466 is a wasteful number, since it uses less digits than its factorization.

28668500466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207742785.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 28668500466 in words is "twenty-eight billion, six hundred sixty-eight million, five hundred thousand, four hundred sixty-six".