6650885918208 has 320 divisors, whose sum is σ = 21454906226688. Its totient is φ = 1787290583040.

The previous prime is 6650885918197. The next prime is 6650885918231. The reversal of 6650885918208 is 8028195880566.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296281641 + ... + 296304087.

Almost surely, 2^{6650885918208} is an apocalyptic number.

6650885918208 is a gapful number since it is divisible by the number (68) 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 6650885918208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10727453113344).

6650885918208 is an abundant number, since it is smaller than the sum of its proper divisors (14804020308480).

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

6650885918208 is a wasteful number, since it uses less digits than its factorization.

6650885918208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24113 (or 24097 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 66.

The spelling of 6650885918208 in words is "six trillion, six hundred fifty billion, eight hundred eighty-five million, nine hundred eighteen thousand, two hundred eight".