5516556156 has 72 divisors (see below), whose sum is σ = 14133450240. Its totient is φ = 1814019744.

The previous prime is 5516556139. The next prime is 5516556173. The reversal of 5516556156 is 6516556155.

It is an interprime number because it is at equal distance from previous prime (5516556139) and next prime (5516556173).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3832885 + ... + 3834323.

It is an arithmetic number, because the mean of its divisors is an integer number (196297920).

Almost surely, 2^5516556156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5516556156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7066725120).

5516556156 is an abundant number, since it is smaller than the sum of its proper divisors (8616894084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5516556156 is a wasteful number, since it uses less digits than its factorization.

5516556156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815 (or 2810 counting only the distinct ones).

The product of its digits is 675000, while the sum is 45.

The square root of 5516556156 is about 74273.5225770261. The cubic root of 5516556156 is about 1766.9435751701.

Subtracting 5516556156 from its reverse (6516556155), we obtain a palindrome (999999999).

The spelling of 5516556156 in words is "five billion, five hundred sixteen million, five hundred fifty-six thousand, one hundred fifty-six".