634755216 has 40 divisors (see below), whose sum is σ = 1655717440. Its totient is φ = 209529216.

The previous prime is 634755181. The next prime is 634755223. The reversal of 634755216 is 612557436.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 59251 + ... + 69138.

It is an arithmetic number, because the mean of its divisors is an integer number (41392936).

Almost surely, 2^634755216 is an apocalyptic number.

It is an amenable number.

634755216 is an abundant number, since it is smaller than the sum of its proper divisors (1020962224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634755216 is a wasteful number, since it uses less digits than its factorization.

634755216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128503 (or 128497 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 634755216 is about 25194.3488901777. The cubic root of 634755216 is about 859.4133442655.

The spelling of 634755216 in words is "six hundred thirty-four million, seven hundred fifty-five thousand, two hundred sixteen".