6545063165 has 16 divisors (see below), whose sum is σ = 7908026112. Its totient is φ = 5200139904.

The previous prime is 6545063117. The next prime is 6545063177. The reversal of 6545063165 is 5613605456.

It is a cyclic number.

It is not a de Polignac number, because 6545063165 - 2¹⁰ = 6545062141 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 1205537 + ... + 1210953.

It is an arithmetic number, because the mean of its divisors is an integer number (494251632).

Almost surely, 2^6545063165 is an apocalyptic number.

It is an amenable number.

6545063165 is a deficient number, since it is larger than the sum of its proper divisors (1362962947).

6545063165 is a wasteful number, since it uses less digits than its factorization.

6545063165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7036.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 6545063165 is about 80901.5646634847. The cubic root of 6545063165 is about 1870.5584389340.

The spelling of 6545063165 in words is "six billion, five hundred forty-five million, sixty-three thousand, one hundred sixty-five".