5191165619 has 16 divisors (see below), whose sum is σ = 5623801920. Its totient is φ = 4777006080.

The previous prime is 5191165607. The next prime is 5191165621. The reversal of 5191165619 is 9165611915.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5191165619 is a prime.

It is a super-2 number, since 2×5191165619² = 53896400967775306322, which contains 22 as substring.

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 5191165619.

It is not an unprimeable number, because it can be changed into a prime (5191165649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173579 + ... + 201275.

It is an arithmetic number, because the mean of its divisors is an integer number (351487620).

Almost surely, 2^5191165619 is an apocalyptic number.

5191165619 is a deficient number, since it is larger than the sum of its proper divisors (432636301).

5191165619 is a wasteful number, since it uses less digits than its factorization.

5191165619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28030.

The product of its digits is 72900, while the sum is 44.

The square root of 5191165619 is about 72049.7440592262. The cubic root of 5191165619 is about 1731.4965409184.

The spelling of 5191165619 in words is "five billion, one hundred ninety-one million, one hundred sixty-five thousand, six hundred nineteen".