630668146 has 8 divisors (see below), whose sum is σ = 946108800. Its totient is φ = 315298548.

The previous prime is 630668141. The next prime is 630668149. The reversal of 630668146 is 641866036.

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

It is a junction number, because it is equal to n+sod(n) for n = 630668099 and 630668108.

It is not an unprimeable number, because it can be changed into a prime (630668141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25555 + ... + 43753.

It is an arithmetic number, because the mean of its divisors is an integer number (118263600).

Almost surely, 2^630668146 is an apocalyptic number.

630668146 is a deficient number, since it is larger than the sum of its proper divisors (315440654).

630668146 is a wasteful number, since it uses less digits than its factorization.

630668146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35528.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 630668146 is about 25113.1070558782. The cubic root of 630668146 is about 857.5648372975.

The spelling of 630668146 in words is "six hundred thirty million, six hundred sixty-eight thousand, one hundred forty-six".