630543163 has 8 divisors (see below), whose sum is σ = 633036800. Its totient is φ = 628055208.

The previous prime is 630543157. The next prime is 630543167. The reversal of 630543163 is 361345036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630543163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630543167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492358 + ... + 493636.

It is an arithmetic number, because the mean of its divisors is an integer number (79129600).

Almost surely, 2^630543163 is an apocalyptic number.

630543163 is a deficient number, since it is larger than the sum of its proper divisors (2493637).

630543163 is a wasteful number, since it uses less digits than its factorization.

630543163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 630543163 is about 25110.6185308128. The cubic root of 630543163 is about 857.5081840969.

Adding to 630543163 its reverse (361345036), we get a palindrome (991888199).

The spelling of 630543163 in words is "six hundred thirty million, five hundred forty-three thousand, one hundred sixty-three".