663043027 has 8 divisors (see below), whose sum is σ = 702675216. Its totient is φ = 623480832.

The previous prime is 663043009. The next prime is 663043063. The reversal of 663043027 is 720340366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 663043027 - 2⁷ = 663042899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 663043027.

It is not an unprimeable number, because it can be changed into a prime (663043067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2688 + ... + 36514.

It is an arithmetic number, because the mean of its divisors is an integer number (87834402).

Almost surely, 2^663043027 is an apocalyptic number.

663043027 is a deficient number, since it is larger than the sum of its proper divisors (39632189).

663043027 is a wasteful number, since it uses less digits than its factorization.

663043027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34997.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 663043027 is about 25749.6218807189. The cubic root of 663043027 is about 871.9948179384.

The spelling of 663043027 in words is "six hundred sixty-three million, forty-three thousand, twenty-seven".