28160263044160 has 112 divisors (see below), whose sum is σ = 72226281044736. Its totient is φ = 10395986614272.

The previous prime is 28160263044143. The next prime is 28160263044161. The reversal of 28160263044160 is 6144036206182.

It is a super-2 number, since 2×28160263044160² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28160263044161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25853277 + ... + 26920483.

It is an arithmetic number, because the mean of its divisors is an integer number (644877509328).

Almost surely, 2^{28160263044160} is an apocalyptic number.

28160263044160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28160263044160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36113140522368).

28160263044160 is an abundant number, since it is smaller than the sum of its proper divisors (44066018000576).

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

28160263044160 is a wasteful number, since it uses less digits than its factorization.

28160263044160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073580 (or 1073570 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 28160263044160 in words is "twenty-eight trillion, one hundred sixty billion, two hundred sixty-three million, forty-four thousand, one hundred sixty".