6565616046 has 48 divisors (see below), whose sum is σ = 16019347968. Its totient is φ = 1925398800.

The previous prime is 6565616033. The next prime is 6565616047. The reversal of 6565616046 is 6406165656.

It is a junction number, because it is equal to n+sod(n) for n = 6565615992 and 6565616010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6565616047) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 528696 + ... + 540971.

It is an arithmetic number, because the mean of its divisors is an integer number (333736416).

Almost surely, 2^6565616046 is an apocalyptic number.

6565616046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6565616046 is an abundant number, since it is smaller than the sum of its proper divisors (9453731922).

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

6565616046 is a wasteful number, since it uses less digits than its factorization.

6565616046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069717 (or 1069714 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 6565616046 is about 81028.4891010563. The cubic root of 6565616046 is about 1872.5143758949.

The spelling of 6565616046 in words is "six billion, five hundred sixty-five million, six hundred sixteen thousand, forty-six".