630163666 has 16 divisors (see below), whose sum is σ = 1034441280. Its totient is φ = 285531280.

The previous prime is 630163661. The next prime is 630163711. The reversal of 630163666 is 666361036.

It is not an unprimeable number, because it can be changed into a prime (630163661) 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, 38206 + ... + 52153.

It is an arithmetic number, because the mean of its divisors is an integer number (64652580).

Almost surely, 2^630163666 is an apocalyptic number.

630163666 is a deficient number, since it is larger than the sum of its proper divisors (404277614).

630163666 is a wasteful number, since it uses less digits than its factorization.

630163666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90689.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 630163666 is about 25103.0608890629. The cubic root of 630163666 is about 857.3361170547.

The spelling of 630163666 in words is "six hundred thirty million, one hundred sixty-three thousand, six hundred sixty-six".