6565532136 has 64 divisors (see below), whose sum is σ = 16620292800. Its totient is φ = 2161049088.

The previous prime is 6565532117. The next prime is 6565532143. The reversal of 6565532136 is 6312355656.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2128051 + ... + 2131133.

It is an arithmetic number, because the mean of its divisors is an integer number (259692075).

Almost surely, 2^6565532136 is an apocalyptic number.

It is an amenable number.

6565532136 is an abundant number, since it is smaller than the sum of its proper divisors (10054760664).

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

6565532136 is a wasteful number, since it uses less digits than its factorization.

6565532136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178 (or 4174 counting only the distinct ones).

The product of its digits is 486000, while the sum is 42.

The square root of 6565532136 is about 81027.9713185515. The cubic root of 6565532136 is about 1872.5063988140.

The spelling of 6565532136 in words is "six billion, five hundred sixty-five million, five hundred thirty-two thousand, one hundred thirty-six".