6565829891960 has 32 divisors (see below), whose sum is σ = 14773321866240. Its totient is φ = 2626295581824.

The previous prime is 6565829891939. The next prime is 6565829891983. The reversal of 6565829891960 is 691989285656.

It is a super-2 number, since 2×6565829891960² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors.

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, 1886729 + ... + 4085511.

It is an arithmetic number, because the mean of its divisors is an integer number (461666308320).

Almost surely, 2^{6565829891960} is an apocalyptic number.

It is an amenable number.

6565829891960 is an abundant number, since it is smaller than the sum of its proper divisors (8207491974280).

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

6565829891960 is a wasteful number, since it uses less digits than its factorization.

6565829891960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273447 (or 2273443 counting only the distinct ones).

The product of its (nonzero) digits is 503884800, while the sum is 74.

The spelling of 6565829891960 in words is "six trillion, five hundred sixty-five billion, eight hundred twenty-nine million, eight hundred ninety-one thousand, nine hundred sixty".