9898162560 has 768 divisors, whose sum is σ = 41020499520. Its totient is φ = 2167603200.

The previous prime is 9898162487. The next prime is 9898162591. The reversal of 9898162560 is 652618989.

It is a happy number.

9898162560 is a `hidden beast` number, since 9 + 8 + 9 + 8 + 1 + 625 + 6 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 9898162497 and 9898162506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50244382 + ... + 50244578.

Almost surely, 2^9898162560 is an apocalyptic number.

9898162560 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9898162560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20510249760).

9898162560 is an abundant number, since it is smaller than the sum of its proper divisors (31122336960).

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

9898162560 is a wasteful number, since it uses less digits than its factorization.

9898162560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 9898162560 is about 99489.5097987723. The cubic root of 9898162560 is about 2147.0963188884.

The spelling of 9898162560 in words is "nine billion, eight hundred ninety-eight million, one hundred sixty-two thousand, five hundred sixty".