98540057616 has 720 divisors, whose sum is σ = 361584857088. Its totient is φ = 22832409600.

The previous prime is 98540057611. The next prime is 98540057699. The reversal of 98540057616 is 61675004589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98540057611) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 135543045 + ... + 135543771.

Almost surely, 2^98540057616 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 98540057616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180792428544).

98540057616 is an abundant number, since it is smaller than the sum of its proper divisors (263044799472).

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

98540057616 is a wasteful number, since it uses less digits than its factorization.

98540057616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 98540057616 in words is "ninety-eight billion, five hundred forty million, fifty-seven thousand, six hundred sixteen".