10989662688 has 120 divisors (see below), whose sum is σ = 33363126720. Its totient is φ = 3545026560.

The previous prime is 10989662659. The next prime is 10989662689. The reversal of 10989662688 is 88626698901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989662689) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11968 + ... + 148736.

It is an arithmetic number, because the mean of its divisors is an integer number (278026056).

Almost surely, 2^10989662688 is an apocalyptic number.

10989662688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10989662688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16681563360).

10989662688 is an abundant number, since it is smaller than the sum of its proper divisors (22373464032).

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

10989662688 is a wasteful number, since it uses less digits than its factorization.

10989662688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136822 (or 136805 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 10989662688 in words is "ten billion, nine hundred eighty-nine million, six hundred sixty-two thousand, six hundred eighty-eight".