6516634432 has 56 divisors (see below), whose sum is σ = 16122335040. Its totient is φ = 2538946560.

The previous prime is 6516634417. The next prime is 6516634471. The reversal of 6516634432 is 2344366156.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

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, 656257 + ... + 666112.

It is an arithmetic number, because the mean of its divisors is an integer number (287898840).

Almost surely, 2^6516634432 is an apocalyptic number.

It is an amenable number.

6516634432 is an abundant number, since it is smaller than the sum of its proper divisors (9605700608).

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

6516634432 is a wasteful number, since it uses less digits than its factorization.

6516634432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322399 (or 1322389 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 6516634432 is about 80725.6739333900. The cubic root of 6516634432 is about 1867.8462274854.

The spelling of 6516634432 in words is "six billion, five hundred sixteen million, six hundred thirty-four thousand, four hundred thirty-two".