8116568063 has 4 divisors (see below), whose sum is σ = 8122722960. Its totient is φ = 8110413168.

The previous prime is 8116568059. The next prime is 8116568093. The reversal of 8116568063 is 3608656118.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3608656118 = 2 ⋅1804328059.

It is a cyclic number.

It is not a de Polignac number, because 8116568063 - 2² = 8116568059 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 (8116568093) 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, 3075470 + ... + 3078107.

It is an arithmetic number, because the mean of its divisors is an integer number (2030680740).

Almost surely, 2^8116568063 is an apocalyptic number.

8116568063 is a deficient number, since it is larger than the sum of its proper divisors (6154897).

8116568063 is a wasteful number, since it uses less digits than its factorization.

8116568063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154896.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 8116568063 is about 90091.9977744972. The cubic root of 8116568063 is about 2009.6672025601.

The spelling of 8116568063 in words is "eight billion, one hundred sixteen million, five hundred sixty-eight thousand, sixty-three".