663850452 has 12 divisors (see below), whose sum is σ = 1548984416. Its totient is φ = 221283480.

The previous prime is 663850441. The next prime is 663850471. The reversal of 663850452 is 254058366.

663850452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 663850452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27660424 + ... + 27660447.

Almost surely, 2^663850452 is an apocalyptic number.

It is an amenable number.

663850452 is an abundant number, since it is smaller than the sum of its proper divisors (885133964).

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

663850452 is a wasteful number, since it uses less digits than its factorization.

663850452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55320878 (or 55320876 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 663850452 is about 25765.2954960738. The cubic root of 663850452 is about 872.3486334953.

The spelling of 663850452 in words is "six hundred sixty-three million, eight hundred fifty thousand, four hundred fifty-two".