634012120568 has 32 divisors (see below), whose sum is σ = 1192377242160. Its totient is φ = 316046142720.

The previous prime is 634012120549. The next prime is 634012120607. The reversal of 634012120568 is 865021210436.

634012120568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3899396 + ... + 4058732.

Almost surely, 2^634012120568 is an apocalyptic number.

It is an amenable number.

634012120568 is a deficient number, since it is larger than the sum of its proper divisors (558365121592).

634012120568 is a wasteful number, since it uses less digits than its factorization.

634012120568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160847 (or 160843 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 634012120568 in words is "six hundred thirty-four billion, twelve million, one hundred twenty thousand, five hundred sixty-eight".