5165656516 has 36 divisors (see below), whose sum is σ = 9619783600. Its totient is φ = 2426633856.

The previous prime is 5165656513. The next prime is 5165656519. The reversal of 5165656516 is 6156565615.

It is an interprime number because it is at equal distance from previous prime (5165656513) and next prime (5165656519).

It is not an unprimeable number, because it can be changed into a prime (5165656513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711955 + ... + 719173.

Almost surely, 2^5165656516 is an apocalyptic number.

It is an amenable number.

5165656516 is a deficient number, since it is larger than the sum of its proper divisors (4454127084).

5165656516 is a wasteful number, since it uses less digits than its factorization.

5165656516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7876 (or 7857 counting only the distinct ones).

The product of its digits is 810000, while the sum is 46.

The square root of 5165656516 is about 71872.5018070194. The cubic root of 5165656516 is about 1728.6557229532.

Subtracting 5165656516 from its reverse (6156565615), we obtain a palindrome (990909099).

The spelling of 5165656516 in words is "five billion, one hundred sixty-five million, six hundred fifty-six thousand, five hundred sixteen".