6516101651065 has 16 divisors (see below), whose sum is σ = 7825971748608. Its totient is φ = 5208449401216.

The previous prime is 6516101651009. The next prime is 6516101651089. The reversal of 6516101651065 is 5601561016156.

It is a cyclic number.

It is not a de Polignac number, because 6516101651065 - 2¹⁵ = 6516101618297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43367709 + ... + 43517701.

It is an arithmetic number, because the mean of its divisors is an integer number (489123234288).

Almost surely, 2^{6516101651065} is an apocalyptic number.

It is an amenable number.

6516101651065 is a deficient number, since it is larger than the sum of its proper divisors (1309870097543).

6516101651065 is a wasteful number, since it uses less digits than its factorization.

6516101651065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157328.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 6516101651065 in words is "six trillion, five hundred sixteen billion, one hundred one million, six hundred fifty-one thousand, sixty-five".