634134616 has 8 divisors (see below), whose sum is σ = 1189002420. Its totient is φ = 317067304.

The previous prime is 634134593. The next prime is 634134623. The reversal of 634134616 is 616431436.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×634134616² = 804253422418934912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39633406 + ... + 39633421.

Almost surely, 2^634134616 is an apocalyptic number.

It is an amenable number.

634134616 is a deficient number, since it is larger than the sum of its proper divisors (554867804).

634134616 is a wasteful number, since it uses less digits than its factorization.

634134616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79266833 (or 79266829 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 634134616 is about 25182.0296243174. The cubic root of 634134616 is about 859.1331702069.

The spelling of 634134616 in words is "six hundred thirty-four million, one hundred thirty-four thousand, six hundred sixteen".