10818609648 has 640 divisors, whose sum is σ = 38397542400. Its totient is φ = 2596608000.

The previous prime is 10818609643. The next prime is 10818609649. The reversal of 10818609648 is 84690681801.

It is a self number, because there is not a number n which added to its sum of digits gives 10818609648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10818609643) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 230183161 + ... + 230183207.

It is an arithmetic number, because the mean of its divisors is an integer number (59996160).

Almost surely, 2^10818609648 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 10818609648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19198771200).

10818609648 is an abundant number, since it is smaller than the sum of its proper divisors (27578932752).

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

10818609648 is a wasteful number, since it uses less digits than its factorization.

10818609648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 10818609648 in words is "ten billion, eight hundred eighteen million, six hundred nine thousand, six hundred forty-eight".