6566029965 has 64 divisors (see below), whose sum is σ = 12756660480. Its totient is φ = 3177895680.

The previous prime is 6566029961. The next prime is 6566029997. The reversal of 6566029965 is 5699206656.

It is not a de Polignac number, because 6566029965 - 2² = 6566029961 is a prime.

It is a super-2 number, since 2×6566029965² = 86225499002555802450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566029961) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 906699 + ... + 913911.

It is an arithmetic number, because the mean of its divisors is an integer number (199322820).

Almost surely, 2^6566029965 is an apocalyptic number.

It is an amenable number.

6566029965 is a deficient number, since it is larger than the sum of its proper divisors (6190630515).

6566029965 is a wasteful number, since it uses less digits than its factorization.

6566029965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851 (or 7845 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The square root of 6566029965 is about 81031.0432180161. The cubic root of 6566029965 is about 1872.5537249819.

The spelling of 6566029965 in words is "six billion, five hundred sixty-six million, twenty-nine thousand, nine hundred sixty-five".