5998649801508 has 576 divisors, whose sum is σ = 19324047654912. Its totient is φ = 1526961300480.

The previous prime is 5998649801503. The next prime is 5998649801563. The reversal of 5998649801508 is 8051089468995.

5998649801508 is a `hidden beast` number, since 5 + 9 + 9 + 86 + 498 + 0 + 1 + 50 + 8 = 666.

It is a super-2 number, since 2×5998649801508² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5998649801503) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5921667610 + ... + 5921668622.

Almost surely, 2^{5998649801508} 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 5998649801508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9662023827456).

5998649801508 is an abundant number, since it is smaller than the sum of its proper divisors (13325397853404).

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

5998649801508 is a wasteful number, since it uses less digits than its factorization.

5998649801508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 72.

The spelling of 5998649801508 in words is "five trillion, nine hundred ninety-eight billion, six hundred forty-nine million, eight hundred one thousand, five hundred eight".