663342027 has 16 divisors (see below), whose sum is σ = 915697440. Its totient is φ = 426632192.

The previous prime is 663341963. The next prime is 663342049. The reversal of 663342027 is 720243366.

It is a cyclic number.

It is not a de Polignac number, because 663342027 - 2⁶ = 663341963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (663342727) 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 15 ways as a sum of consecutive naturals, for example, 145393 + ... + 149885.

It is an arithmetic number, because the mean of its divisors is an integer number (57231090).

Almost surely, 2^663342027 is an apocalyptic number.

663342027 is a deficient number, since it is larger than the sum of its proper divisors (252355413).

663342027 is a wasteful number, since it uses less digits than its factorization.

663342027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 663342027 is about 25755.4271368191. The cubic root of 663342027 is about 872.1258739222.

The spelling of 663342027 in words is "six hundred sixty-three million, three hundred forty-two thousand, twenty-seven".