116563221 has 12 divisors (see below), whose sum is σ = 168468300. Its totient is φ = 77663040.

The previous prime is 116563219. The next prime is 116563231. The reversal of 116563221 is 122365611.

116563221 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 632 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64160100 + 52403121 = 8010^2 + 7239^2 .

It is not a de Polignac number, because 116563221 - 2¹ = 116563219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116563201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20401 + ... + 25481.

It is an arithmetic number, because the mean of its divisors is an integer number (14039025).

Almost surely, 2^116563221 is an apocalyptic number.

It is an amenable number.

116563221 is a deficient number, since it is larger than the sum of its proper divisors (51905079).

116563221 is a wasteful number, since it uses less digits than its factorization.

116563221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636 (or 7633 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 116563221 is about 10796.4448315175. Note that the first 3 decimals coincide. The cubic root of 116563221 is about 488.4879405262.

The spelling of 116563221 in words is "one hundred sixteen million, five hundred sixty-three thousand, two hundred twenty-one".