5165616556 has 12 divisors (see below), whose sum is σ = 9045984640. Its totient is φ = 2581049520.

The previous prime is 5165616523. The next prime is 5165616559. The reversal of 5165616556 is 6556165615.

It is a super-2 number, since 2×5165616556² = 53367188807242602272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5165616559) 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 3 ways as a sum of consecutive naturals, for example, 433071 + ... + 444838.

Almost surely, 2^5165616556 is an apocalyptic number.

It is an amenable number.

5165616556 is a deficient number, since it is larger than the sum of its proper divisors (3880368084).

5165616556 is a wasteful number, since it uses less digits than its factorization.

5165616556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879384 (or 879382 counting only the distinct ones).

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

The square root of 5165616556 is about 71872.2238142107. The cubic root of 5165616556 is about 1728.6512654842.

It can be divided in two parts, 5 and 165616556, that added together give a palindrome (165616561).

The spelling of 5165616556 in words is "five billion, one hundred sixty-five million, six hundred sixteen thousand, five hundred fifty-six".