6536516516 has 24 divisors (see below), whose sum is σ = 11879646240. Its totient is φ = 3144601152.

The previous prime is 6536516443. The next prime is 6536516521. The reversal of 6536516516 is 6156156356.

It is a happy number.

6536516516 is a modest number, since divided by 516516 gives 6536 as remainder.

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, 272081 + ... + 295128.

It is an arithmetic number, because the mean of its divisors is an integer number (494985260).

Almost surely, 2^6536516516 is an apocalyptic number.

It is an amenable number.

6536516516 is a deficient number, since it is larger than the sum of its proper divisors (5343129724).

6536516516 is a wasteful number, since it uses less digits than its factorization.

6536516516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567323 (or 567321 counting only the distinct ones).

The product of its digits is 486000, while the sum is 44.

The square root of 6536516516 is about 80848.7261247820. The cubic root of 6536516516 is about 1869.7438824885.

The spelling of 6536516516 in words is "six billion, five hundred thirty-six million, five hundred sixteen thousand, five hundred sixteen".