6165517006566 has 12 divisors (see below), whose sum is σ = 13358620180932. Its totient is φ = 2055172335516.

The previous prime is 6165517006543. The next prime is 6165517006589. The reversal of 6165517006566 is 6656007155616.

6165517006566 is a `hidden beast` number, since 6 + 1 + 6 + 5 + 5 + 1 + 70 + 0 + 6 + 566 = 666.

It is an interprime number because it is at equal distance from previous prime (6165517006543) and next prime (6165517006589).

It is a super-2 number, since 2×6165517006566² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171264361276 + ... + 171264361311.

It is an arithmetic number, because the mean of its divisors is an integer number (1113218348411).

Almost surely, 2^{6165517006566} is an apocalyptic number.

6165517006566 is an abundant number, since it is smaller than the sum of its proper divisors (7193103174366).

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

6165517006566 is a wasteful number, since it uses less digits than its factorization.

6165517006566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342528722595 (or 342528722592 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 6165517006566 in words is "six trillion, one hundred sixty-five billion, five hundred seventeen million, six thousand, five hundred sixty-six".