663016003 has 24 divisors (see below), whose sum is σ = 748928544. Its totient is φ = 583355520.

The previous prime is 663015973. The next prime is 663016027. The reversal of 663016003 is 300610366.

It is not a de Polignac number, because 663016003 - 2⁵ = 663015971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (663016063) 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, 911626 + ... + 912352.

It is an arithmetic number, because the mean of its divisors is an integer number (31205356).

Almost surely, 2^663016003 is an apocalyptic number.

663016003 is a deficient number, since it is larger than the sum of its proper divisors (85912541).

663016003 is a wasteful number, since it uses less digits than its factorization.

663016003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 663016003 is about 25749.0971298024. The cubic root of 663016003 is about 871.9829709907.

Adding to 663016003 its reverse (300610366), we get a palindrome (963626369).

The spelling of 663016003 in words is "six hundred sixty-three million, sixteen thousand, three".