9890573616 has 480 divisors, whose sum is σ = 36902780928. Its totient is φ = 2393948160.

The previous prime is 9890573603. The next prime is 9890573647. The reversal of 9890573616 is 6163750989.

9890573616 is a `hidden beast` number, since 9 + 8 + 9 + 0 + 573 + 61 + 6 = 666.

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, 25823761 + ... + 25824143.

Almost surely, 2^9890573616 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 9890573616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18451390464).

9890573616 is an abundant number, since it is smaller than the sum of its proper divisors (27012207312).

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

9890573616 is a wasteful number, since it uses less digits than its factorization.

9890573616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 9890573616 is about 99451.3630675819. The cubic root of 9890573616 is about 2146.5474506963.

The spelling of 9890573616 in words is "nine billion, eight hundred ninety million, five hundred seventy-three thousand, six hundred sixteen".