634164008 has 16 divisors (see below), whose sum is σ = 1191712500. Its totient is φ = 316374016.

The previous prime is 634164001. The next prime is 634164029. The reversal of 634164008 is 800461436.

It can be written as a sum of positive squares in 2 ways, for example, as 633931684 + 232324 = 25178^2 + 482^2 .

It is not an unprimeable number, because it can be changed into a prime (634164001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84683 + ... + 91866.

Almost surely, 2^634164008 is an apocalyptic number.

It is an amenable number.

634164008 is a deficient number, since it is larger than the sum of its proper divisors (557548492).

634164008 is a wasteful number, since it uses less digits than its factorization.

634164008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177004 (or 177000 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 634164008 is about 25182.6132083229. The cubic root of 634164008 is about 859.1464435463.

The spelling of 634164008 in words is "six hundred thirty-four million, one hundred sixty-four thousand, eight".