6165163566 has 12 divisors (see below), whose sum is σ = 13357854432. Its totient is φ = 2055054516.

The previous prime is 6165163559. The next prime is 6165163583. The reversal of 6165163566 is 6653615616.

6165163566 is a `hidden beast` number, since 6 + 1 + 6 + 5 + 1 + 635 + 6 + 6 = 666.

It is a Curzon number.

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, 171254526 + ... + 171254561.

It is an arithmetic number, because the mean of its divisors is an integer number (1113154536).

Almost surely, 2^6165163566 is an apocalyptic number.

6165163566 is an abundant number, since it is smaller than the sum of its proper divisors (7192690866).

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

6165163566 is a wasteful number, since it uses less digits than its factorization.

6165163566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342509095 (or 342509092 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 6165163566 is about 78518.5555521751. Note that the first 5 decimals coincide. The cubic root of 6165163566 is about 1833.6433498947.

The spelling of 6165163566 in words is "six billion, one hundred sixty-five million, one hundred sixty-three thousand, five hundred sixty-six".