10889974368 has 480 divisors, whose sum is σ = 39823527744. Its totient is φ = 2842656768.

The previous prime is 10889974357. The next prime is 10889974373. The reversal of 10889974368 is 86347998801.

10889974368 is a `hidden beast` number, since 108 + 8 + 9 + 97 + 436 + 8 = 666.

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 79 ways as a sum of consecutive naturals, for example, 32314296 + ... + 32314632.

Almost surely, 2^10889974368 is an apocalyptic number.

10889974368 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 10889974368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19911763872).

10889974368 is an abundant number, since it is smaller than the sum of its proper divisors (28933553376).

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

10889974368 is a wasteful number, since it uses less digits than its factorization.

10889974368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 10889974368 in words is "ten billion, eight hundred eighty-nine million, nine hundred seventy-four thousand, three hundred sixty-eight".