28468807166 has 4 divisors (see below), whose sum is σ = 42703210752. Its totient is φ = 14234403582.

The previous prime is 28468807163. The next prime is 28468807183. The reversal of 28468807166 is 66170886482.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28468807163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7117201790 + ... + 7117201793.

It is an arithmetic number, because the mean of its divisors is an integer number (10675802688).

Almost surely, 2^28468807166 is an apocalyptic number.

28468807166 is a deficient number, since it is larger than the sum of its proper divisors (14234403586).

28468807166 is a wasteful number, since it uses less digits than its factorization.

28468807166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234403585.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 28468807166 in words is "twenty-eight billion, four hundred sixty-eight million, eight hundred seven thousand, one hundred sixty-six".