6668989461360 has 320 divisors, whose sum is σ = 23769602755200. Its totient is φ = 1716600840192.

The previous prime is 6668989461347. The next prime is 6668989461367. The reversal of 6668989461360 is 631649898666.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668989461367) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266395404 + ... + 266420436.

It is an arithmetic number, because the mean of its divisors is an integer number (74280008610).

Almost surely, 2^{6668989461360} is an apocalyptic number.

6668989461360 is a gapful number since it is divisible by the number (60) 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 6668989461360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11884801377600).

6668989461360 is an abundant number, since it is smaller than the sum of its proper divisors (17100613293840).

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

6668989461360 is a wasteful number, since it uses less digits than its factorization.

6668989461360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29337 (or 29325 counting only the distinct ones).

The product of its (nonzero) digits is 483729408, while the sum is 72.

The spelling of 6668989461360 in words is "six trillion, six hundred sixty-eight billion, nine hundred eighty-nine million, four hundred sixty-one thousand, three hundred sixty".