630663606 has 48 divisors (see below), whose sum is σ = 1396631808. Its totient is φ = 205623600.

The previous prime is 630663587. The next prime is 630663619. The reversal of 630663606 is 606366036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165535 + ... + 169301.

It is an arithmetic number, because the mean of its divisors is an integer number (29096496).

Almost surely, 2^630663606 is an apocalyptic number.

630663606 is an abundant number, since it is smaller than the sum of its proper divisors (765968202).

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

630663606 is a wasteful number, since it uses less digits than its factorization.

630663606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977 (or 3974 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 630663606 is about 25113.0166646701. The cubic root of 630663606 is about 857.5627795044.

The spelling of 630663606 in words is "six hundred thirty million, six hundred sixty-three thousand, six hundred six".