160863682421 has 6 divisors (see below), whose sum is σ = 174189668130. Its totient is φ = 148489552848.

The previous prime is 160863682411. The next prime is 160863682423. The reversal of 160863682421 is 124286368061.

It can be written as a sum of positive squares in 3 ways, for example, as 12146244100 + 148717438321 = 110210^2 + 385639^2 .

It is not a de Polignac number, because 160863682421 - 2¹⁴ = 160863666037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160863682423) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 475927886 + ... + 475928223.

It is an arithmetic number, because the mean of its divisors is an integer number (29031611355).

Almost surely, 2^160863682421 is an apocalyptic number.

It is an amenable number.

160863682421 is a deficient number, since it is larger than the sum of its proper divisors (13325985709).

160863682421 is an equidigital number, since it uses as much as digits as its factorization.

160863682421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951856135 (or 951856122 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 160863682421 in words is "one hundred sixty billion, eight hundred sixty-three million, six hundred eighty-two thousand, four hundred twenty-one".