6165680666002 has 128 divisors (see below), whose sum is σ = 11342189617920. Its totient is φ = 2495758003200.

The previous prime is 6165680665993. The next prime is 6165680666023. The reversal of 6165680666002 is 2006660865616.

It is a happy number.

It is a super-2 number, since 2×6165680666002² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2168721993 + ... + 2168724835.

It is an arithmetic number, because the mean of its divisors is an integer number (88610856390).

Almost surely, 2^{6165680666002} is an apocalyptic number.

6165680666002 is a deficient number, since it is larger than the sum of its proper divisors (5176508951918).

6165680666002 is a wasteful number, since it uses less digits than its factorization.

6165680666002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 6165680666002 in words is "six trillion, one hundred sixty-five billion, six hundred eighty million, six hundred sixty-six thousand, two".