663344014 has 16 divisors (see below), whose sum is σ = 1028522880. Its totient is φ = 320532480.

The previous prime is 663344009. The next prime is 663344023. The reversal of 663344014 is 410443366.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40722 + ... + 54634.

It is an arithmetic number, because the mean of its divisors is an integer number (64282680).

Almost surely, 2^663344014 is an apocalyptic number.

663344014 is a deficient number, since it is larger than the sum of its proper divisors (365178866).

663344014 is a wasteful number, since it uses less digits than its factorization.

663344014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14715.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 663344014 is about 25755.4657111845. The cubic root of 663344014 is about 872.1267447211.

The spelling of 663344014 in words is "six hundred sixty-three million, three hundred forty-four thousand, fourteen".