6516516061 has 16 divisors (see below), whose sum is σ = 7202348928. Its totient is φ = 5846632000.

The previous prime is 6516516047. The next prime is 6516516073. The reversal of 6516516061 is 1606156156.

It is not a de Polignac number, because 6516516061 - 2⁵ = 6516516029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6516516061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6516516361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342936 + ... + 361438.

It is an arithmetic number, because the mean of its divisors is an integer number (450146808).

Almost surely, 2^6516516061 is an apocalyptic number.

It is an amenable number.

6516516061 is a deficient number, since it is larger than the sum of its proper divisors (685832867).

6516516061 is a wasteful number, since it uses less digits than its factorization.

6516516061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18932.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 6516516061 is about 80724.9407618240. The cubic root of 6516516061 is about 1867.8349179582.

The spelling of 6516516061 in words is "six billion, five hundred sixteen million, five hundred sixteen thousand, sixty-one".