28545200164318 has 4 divisors (see below), whose sum is σ = 42817800246480. Its totient is φ = 14272600082158.

The previous prime is 28545200164297. The next prime is 28545200164343. The reversal of 28545200164318 is 81346100254582.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7136300041078 + ... + 7136300041081.

It is an arithmetic number, because the mean of its divisors is an integer number (10704450061620).

Almost surely, 2^{28545200164318} is an apocalyptic number.

28545200164318 is a deficient number, since it is larger than the sum of its proper divisors (14272600082162).

28545200164318 is a wasteful number, since it uses less digits than its factorization.

28545200164318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14272600082161.

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 28545200164318 in words is "twenty-eight trillion, five hundred forty-five billion, two hundred million, one hundred sixty-four thousand, three hundred eighteen".