6436566632 has 16 divisors (see below), whose sum is σ = 12073976640. Its totient is φ = 3216839536.

The previous prime is 6436566623. The next prime is 6436566679. The reversal of 6436566632 is 2366656346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161408 + ... + 197295.

It is an arithmetic number, because the mean of its divisors is an integer number (754623540).

Almost surely, 2^6436566632 is an apocalyptic number.

It is an amenable number.

6436566632 is a deficient number, since it is larger than the sum of its proper divisors (5637410008).

6436566632 is a wasteful number, since it uses less digits than its factorization.

6436566632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360952 (or 360948 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 47.

The square root of 6436566632 is about 80228.2159342958. The cubic root of 6436566632 is about 1860.1648052220.

The spelling of 6436566632 in words is "six billion, four hundred thirty-six million, five hundred sixty-six thousand, six hundred thirty-two".