6550005165 has 16 divisors (see below), whose sum is σ = 11432736576. Its totient is φ = 3175760000.

The previous prime is 6550005083. The next prime is 6550005193. The reversal of 6550005165 is 5615000556.

It is not a de Polignac number, because 6550005165 - 2²⁴ = 6533227949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 19848336 + ... + 19848665.

It is an arithmetic number, because the mean of its divisors is an integer number (714546036).

Almost surely, 2^6550005165 is an apocalyptic number.

It is an amenable number.

6550005165 is a deficient number, since it is larger than the sum of its proper divisors (4882731411).

6550005165 is a wasteful number, since it uses less digits than its factorization.

6550005165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39697020.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 6550005165 is about 80932.1021906635. The cubic root of 6550005165 is about 1871.0291231653.

The spelling of 6550005165 in words is "six billion, five hundred fifty million, five thousand, one hundred sixty-five".