6516316355 has 4 divisors (see below), whose sum is σ = 7819579632. Its totient is φ = 5213053080.

The previous prime is 6516316349. The next prime is 6516316357. The reversal of 6516316355 is 5536136156.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-6516316355 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6516316357) 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, 651631631 + ... + 651631640.

It is an arithmetic number, because the mean of its divisors is an integer number (1954894908).

Almost surely, 2^6516316355 is an apocalyptic number.

6516316355 is a deficient number, since it is larger than the sum of its proper divisors (1303263277).

6516316355 is a wasteful number, since it uses less digits than its factorization.

6516316355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303263276.

The product of its digits is 243000, while the sum is 41.

The square root of 6516316355 is about 80723.7037988223. The cubic root of 6516316355 is about 1867.8158371259.

It can be divided in two parts, 65163 and 16355, that added together give a palindrome (81518).

The spelling of 6516316355 in words is "six billion, five hundred sixteen million, three hundred sixteen thousand, three hundred fifty-five".