630210816 has 81 divisors (see below), whose sum is σ = 1820534079. Its totient is φ = 209668608.

The previous prime is 630210799. The next prime is 630210851. The reversal of 630210816 is 618012036.

The square root of 630210816 is 25104.

It is a perfect power (a square), and thus also a powerful number.

630210816 is a `hidden beast` number, since 630 + 2 + 10 + 8 + 16 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 630210816.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1204731 + ... + 1205253.

Almost surely, 2^630210816 is an apocalyptic number.

630210816 is the 25104-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630210816

630210816 is an abundant number, since it is smaller than the sum of its proper divisors (1190323263).

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

630210816 is an frugal number, since it uses more digits than its factorization.

630210816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The cubic root of 630210816 is about 857.3574990078.

The spelling of 630210816 in words is "six hundred thirty million, two hundred ten thousand, eight hundred sixteen".