98991341568 has 560 divisors, whose sum is σ = 348412112400. Its totient is φ = 27518828544.

The previous prime is 98991341567. The next prime is 98991341627. The reversal of 98991341568 is 86514319989.

It is a super-3 number, since 3×98991341568³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98991341567) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2675441646 + ... + 2675441682.

Almost surely, 2^98991341568 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 98991341568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174206056200).

98991341568 is an abundant number, since it is smaller than the sum of its proper divisors (249420770832).

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

98991341568 is an frugal number, since it uses more digits than its factorization.

98991341568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 49 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 63.

The spelling of 98991341568 in words is "ninety-eight billion, nine hundred ninety-one million, three hundred forty-one thousand, five hundred sixty-eight".