8995851648 has 384 divisors, whose sum is σ = 31574499840. Its totient is φ = 2399846400.

The previous prime is 8995851637. The next prime is 8995851671. The reversal of 8995851648 is 8461585998.

8995851648 is a `hidden beast` number, since 8 + 9 + 9 + 585 + 1 + 6 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28925413 + ... + 28925723.

It is an arithmetic number, because the mean of its divisors is an integer number (82225260).

Almost surely, 2^8995851648 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 8995851648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15787249920).

8995851648 is an abundant number, since it is smaller than the sum of its proper divisors (22578648192).

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

8995851648 is a wasteful number, since it uses less digits than its factorization.

8995851648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 551 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 63.

The square root of 8995851648 is about 94846.4635503085. The cubic root of 8995851648 is about 2079.7641843113.

The spelling of 8995851648 in words is "eight billion, nine hundred ninety-five million, eight hundred fifty-one thousand, six hundred forty-eight".