8561733152 has 72 divisors (see below), whose sum is σ = 19653183900. Its totient is φ = 3660840960.

The previous prime is 8561733107. The next prime is 8561733157. The reversal of 8561733152 is 2513371658.

It can be written as a sum of positive squares in 2 ways, for example, as 8501577616 + 60155536 = 92204^2 + 7756^2 .

It is not an unprimeable number, because it can be changed into a prime (8561733157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697952 + ... + 710112.

Almost surely, 2^8561733152 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 8561733152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9826591950).

8561733152 is an abundant number, since it is smaller than the sum of its proper divisors (11091450748).

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

8561733152 is a wasteful number, since it uses less digits than its factorization.

8561733152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12634 (or 12619 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 8561733152 is about 92529.6339126012. The cubic root of 8561733152 is about 2045.7562936990.

The spelling of 8561733152 in words is "eight billion, five hundred sixty-one million, seven hundred thirty-three thousand, one hundred fifty-two".