281996852552160 has 48 divisors (see below), whose sum is σ = 888290085540816. Its totient is φ = 75199160680448.

The previous prime is 281996852552143. The next prime is 281996852552221. The reversal of 281996852552160 is 61255258699182.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 293746720929 + ... + 293746721888.

It is an arithmetic number, because the mean of its divisors is an integer number (18506043448767).

Almost surely, 2^{281996852552160} is an apocalyptic number.

281996852552160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

281996852552160 is an abundant number, since it is smaller than the sum of its proper divisors (606293232988656).

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

281996852552160 is a wasteful number, since it uses less digits than its factorization.

281996852552160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587493442835 (or 587493442827 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 69.

The spelling of 281996852552160 in words is "two hundred eighty-one trillion, nine hundred ninety-six billion, eight hundred fifty-two million, five hundred fifty-two thousand, one hundred sixty".