5516239638 has 256 divisors, whose sum is σ = 15199027200. Its totient is φ = 1293304320.

The previous prime is 5516239637. The next prime is 5516239639. The reversal of 5516239638 is 8369326155.

It is an interprime number because it is at equal distance from previous prime (5516239637) and next prime (5516239639).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5516239637) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14554533 + ... + 14554911.

It is an arithmetic number, because the mean of its divisors is an integer number (59371200).

Almost surely, 2^5516239638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5516239638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7599513600).

5516239638 is an abundant number, since it is smaller than the sum of its proper divisors (9682787562).

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

5516239638 is a wasteful number, since it uses less digits than its factorization.

5516239638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507.

The product of its digits is 1166400, while the sum is 48.

The square root of 5516239638 is about 74271.3917871478. The cubic root of 5516239638 is about 1766.9097811310.

The spelling of 5516239638 in words is "five billion, five hundred sixteen million, two hundred thirty-nine thousand, six hundred thirty-eight".