663227361 has 24 divisors (see below), whose sum is σ = 1023010560. Its totient is φ = 413128800.

The previous prime is 663227347. The next prime is 663227363. The reversal of 663227361 is 163722366.

It is not a de Polignac number, because 663227361 - 2⁶ = 663227297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (663227363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32895 + ... + 49076.

It is an arithmetic number, because the mean of its divisors is an integer number (42625440).

Almost surely, 2^663227361 is an apocalyptic number.

It is an amenable number.

663227361 is a deficient number, since it is larger than the sum of its proper divisors (359783199).

663227361 is a wasteful number, since it uses less digits than its factorization.

663227361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82037 (or 82034 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 663227361 is about 25753.2009855086. The cubic root of 663227361 is about 872.0756188280.

The spelling of 663227361 in words is "six hundred sixty-three million, two hundred twenty-seven thousand, three hundred sixty-one".