5198681088 has 220 divisors, whose sum is σ = 15648864660. Its totient is φ = 1719042048.

The previous prime is 5198681017. The next prime is 5198681093. The reversal of 5198681088 is 8801868915.

It can be written as a sum of positive squares in 2 ways, for example, as 656999424 + 4541681664 = 25632^2 + 67392^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19325818 + ... + 19326086.

It is an arithmetic number, because the mean of its divisors is an integer number (71131203).

Almost surely, 2^5198681088 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 5198681088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7824432330).

5198681088 is an abundant number, since it is smaller than the sum of its proper divisors (10450183572).

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

5198681088 is a wasteful number, since it uses less digits than its factorization.

5198681088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 54.

The square root of 5198681088 is about 72101.8799200132. The cubic root of 5198681088 is about 1732.3317248155.

The spelling of 5198681088 in words is "five billion, one hundred ninety-eight million, six hundred eighty-one thousand, eighty-eight".