6505550165055 has 8 divisors (see below), whose sum is σ = 10408880264112. Its totient is φ = 3469626754688.

The previous prime is 6505550165027. The next prime is 6505550165123. The reversal of 6505550165055 is 5505610555056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6505550165055 - 2¹⁶ = 6505550099519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6505550164995 and 6505550165013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216851672154 + ... + 216851672183.

It is an arithmetic number, because the mean of its divisors is an integer number (1301110033014).

Almost surely, 2^{6505550165055} is an apocalyptic number.

6505550165055 is a deficient number, since it is larger than the sum of its proper divisors (3903330099057).

6505550165055 is a wasteful number, since it uses less digits than its factorization.

6505550165055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433703344345.

The product of its (nonzero) digits is 2812500, while the sum is 48.

The spelling of 6505550165055 in words is "six trillion, five hundred five billion, five hundred fifty million, one hundred sixty-five thousand, fifty-five".