8516775061 has 16 divisors (see below), whose sum is σ = 9190863360. Its totient is φ = 7865579520.

The previous prime is 8516775031. The next prime is 8516775077. The reversal of 8516775061 is 1605776158.

It is a cyclic number.

It is not a de Polignac number, because 8516775061 - 2¹⁵ = 8516742293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8516775031) 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, 1217205 + ... + 1224181.

It is an arithmetic number, because the mean of its divisors is an integer number (574428960).

Almost surely, 2^8516775061 is an apocalyptic number.

It is an amenable number.

8516775061 is a deficient number, since it is larger than the sum of its proper divisors (674088299).

8516775061 is a wasteful number, since it uses less digits than its factorization.

8516775061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 8516775061 is about 92286.3752728430. The cubic root of 8516775061 is about 2042.1692180164.

The spelling of 8516775061 in words is "eight billion, five hundred sixteen million, seven hundred seventy-five thousand, sixty-one".