9180786648 has 96 divisors (see below), whose sum is σ = 25872972480. Its totient is φ = 2692238400.

The previous prime is 9180786611. The next prime is 9180786649. The reversal of 9180786648 is 8466870819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9180786649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235611 + ... + 271797.

It is an arithmetic number, because the mean of its divisors is an integer number (269510130).

Almost surely, 2^9180786648 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 9180786648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12936486240).

9180786648 is an abundant number, since it is smaller than the sum of its proper divisors (16692185832).

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

9180786648 is a wasteful number, since it uses less digits than its factorization.

9180786648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36269 (or 36234 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 9180786648 is about 95816.4215988053. The cubic root of 9180786648 is about 2093.9194210237.

The spelling of 9180786648 in words is "nine billion, one hundred eighty million, seven hundred eighty-six thousand, six hundred forty-eight".