6565538662 has 4 divisors (see below), whose sum is σ = 9848307996. Its totient is φ = 3282769330.

The previous prime is 6565538657. The next prime is 6565538747. The reversal of 6565538662 is 2668355656.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1641384664 + ... + 1641384667.

It is an arithmetic number, because the mean of its divisors is an integer number (2462076999).

Almost surely, 2^6565538662 is an apocalyptic number.

6565538662 is a deficient number, since it is larger than the sum of its proper divisors (3282769334).

6565538662 is a wasteful number, since it uses less digits than its factorization.

6565538662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282769333.

The product of its digits is 7776000, while the sum is 52.

The square root of 6565538662 is about 81028.0115885858. The cubic root of 6565538662 is about 1872.5070192244.

The spelling of 6565538662 in words is "six billion, five hundred sixty-five million, five hundred thirty-eight thousand, six hundred sixty-two".