6505161153 has 4 divisors (see below), whose sum is σ = 8673548208. Its totient is φ = 4336774100.

The previous prime is 6505161151. The next prime is 6505161161. The reversal of 6505161153 is 3511615056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6505161153 - 2¹ = 6505161151 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6505161151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084193523 + ... + 1084193528.

It is an arithmetic number, because the mean of its divisors is an integer number (2168387052).

Almost surely, 2^6505161153 is an apocalyptic number.

It is an amenable number.

6505161153 is a deficient number, since it is larger than the sum of its proper divisors (2168387055).

6505161153 is a wasteful number, since it uses less digits than its factorization.

6505161153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168387054.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 6505161153 is about 80654.5792438346. The cubic root of 6505161153 is about 1866.7493980162.

The spelling of 6505161153 in words is "six billion, five hundred five million, one hundred sixty-one thousand, one hundred fifty-three".