663011144 has 16 divisors (see below), whose sum is σ = 1243507200. Its totient is φ = 331409232.

The previous prime is 663011131. The next prime is 663011147. The reversal of 663011144 is 441110366.

663011144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (663011147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23309 + ... + 43235.

It is an arithmetic number, because the mean of its divisors is an integer number (77719200).

Almost surely, 2^663011144 is an apocalyptic number.

It is an amenable number.

663011144 is a deficient number, since it is larger than the sum of its proper divisors (580496056).

663011144 is a wasteful number, since it uses less digits than its factorization.

663011144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24092 (or 24088 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 663011144 is about 25749.0027768067. The cubic root of 663011144 is about 871.9808408382.

The spelling of 663011144 in words is "six hundred sixty-three million, eleven thousand, one hundred forty-four".