6640750116000 has 6144 divisors, whose sum is σ = 35378535628800. Its totient is φ = 1164533760000.

The previous prime is 6640750115969. The next prime is 6640750116023. The reversal of 6640750116000 is 6110570466.

6640750116000 is a `hidden beast` number, since 6 + 6 + 40 + 7 + 5 + 0 + 1 + 1 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 1023 ways as a sum of consecutive naturals, for example, 108864755970 + ... + 108864756030.

It is an arithmetic number, because the mean of its divisors is an integer number (5758225200).

Almost surely, 2^{6640750116000} is an apocalyptic number.

6640750116000 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 6640750116000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17689267814400).

6640750116000 is an abundant number, since it is smaller than the sum of its proper divisors (28737785512800).

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

6640750116000 is a wasteful number, since it uses less digits than its factorization.

6640750116000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 6640750116000 its reverse (6110570466), we get a palindrome (6646860686466).

The spelling of 6640750116000 in words is "six trillion, six hundred forty billion, seven hundred fifty million, one hundred sixteen thousand".