889611663360 has 384 divisors, whose sum is σ = 3306013401600. Its totient is φ = 200003420160.

The previous prime is 889611663341. The next prime is 889611663373. The reversal of 889611663360 is 63366116988.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×889611663360² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 889611663360.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13083531 + ... + 13151349.

It is an arithmetic number, because the mean of its divisors is an integer number (8609409900).

Almost surely, 2^889611663360 is an apocalyptic number.

889611663360 is a gapful number since it is divisible by the number (80) 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 889611663360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653006700800).

889611663360 is an abundant number, since it is smaller than the sum of its proper divisors (2416401738240).

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

889611663360 is a wasteful number, since it uses less digits than its factorization.

889611663360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67917 (or 67897 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 889611663360 in words is "eight hundred eighty-nine billion, six hundred eleven million, six hundred sixty-three thousand, three hundred sixty".