5121116663 has 8 divisors (see below), whose sum is σ = 5632390848. Its totient is φ = 4626605664.

The previous prime is 5121116657. The next prime is 5121116701. The reversal of 5121116663 is 3666111215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5121116663 - 2⁴ = 5121116647 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 (5121116653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4190156 + ... + 4191377.

It is an arithmetic number, because the mean of its divisors is an integer number (704048856).

Almost surely, 2^5121116663 is an apocalyptic number.

5121116663 is a deficient number, since it is larger than the sum of its proper divisors (511274185).

5121116663 is a wasteful number, since it uses less digits than its factorization.

5121116663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8381593.

The product of its digits is 6480, while the sum is 32.

The square root of 5121116663 is about 71561.9777745138. The cubic root of 5121116663 is about 1723.6730438290.

Adding to 5121116663 its reverse (3666111215), we get a palindrome (8787227878).

The spelling of 5121116663 in words is "five billion, one hundred twenty-one million, one hundred sixteen thousand, six hundred sixty-three".