221366163483 has 6 divisors (see below), whose sum is σ = 319751125044. Its totient is φ = 147577442316.

The previous prime is 221366163481. The next prime is 221366163497. The reversal of 221366163483 is 384361663122.

221366163483 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 6 + 6 + 1 + 634 + 8 + 3 = 666.

221366163483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221366163483 - 2¹ = 221366163481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221366163481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12298120185 + ... + 12298120202.

It is an arithmetic number, because the mean of its divisors is an integer number (53291854174).

Almost surely, 2^221366163483 is an apocalyptic number.

221366163483 is a deficient number, since it is larger than the sum of its proper divisors (98384961561).

221366163483 is a wasteful number, since it uses less digits than its factorization.

221366163483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24596240393 (or 24596240390 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 221366163483 in words is "two hundred twenty-one billion, three hundred sixty-six million, one hundred sixty-three thousand, four hundred eighty-three".