28116168 has 32 divisors (see below), whose sum is σ = 71085600. Its totient is φ = 9266048.

The previous prime is 28116131. The next prime is 28116173. The reversal of 28116168 is 86161182.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4446 + ... + 8717.

It is an arithmetic number, because the mean of its divisors is an integer number (2221425).

Almost surely, 2^28116168 is an apocalyptic number.

It is an amenable number.

28116168 is an abundant number, since it is smaller than the sum of its proper divisors (42969432).

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

28116168 is a wasteful number, since it uses less digits than its factorization.

28116168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13261 (or 13257 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 28116168 is about 5302.4681045717. The cubic root of 28116168 is about 304.0782635523.

The spelling of 28116168 in words is "twenty-eight million, one hundred sixteen thousand, one hundred sixty-eight".