663116030420 has 12 divisors (see below), whose sum is σ = 1392543663924. Its totient is φ = 265246412160.

The previous prime is 663116030371. The next prime is 663116030443. The reversal of 663116030420 is 24030611366.

It can be written as a sum of positive squares in 2 ways, for example, as 435201451204 + 227914579216 = 659698^2 + 477404^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16577900741 + ... + 16577900780.

It is an arithmetic number, because the mean of its divisors is an integer number (116045305327).

Almost surely, 2^663116030420 is an apocalyptic number.

It is an amenable number.

663116030420 is an abundant number, since it is smaller than the sum of its proper divisors (729427633504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663116030420 is a wasteful number, since it uses less digits than its factorization.

663116030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33155801530 (or 33155801528 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 663116030420 its reverse (24030611366), we get a palindrome (687146641786).

The spelling of 663116030420 in words is "six hundred sixty-three billion, one hundred sixteen million, thirty thousand, four hundred twenty".