6711001660000 has 240 divisors, whose sum is σ = 18021280506768. Its totient is φ = 2438969600000.

The previous prime is 6711001659919. The next prime is 6711001660037. The reversal of 6711001660000 is 661001176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 434052270 + ... + 434067730.

Almost surely, 2^{6711001660000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6711001660000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9010640253384).

6711001660000 is an abundant number, since it is smaller than the sum of its proper divisors (11310278846768).

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

6711001660000 is a wasteful number, since it uses less digits than its factorization.

6711001660000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17475 (or 17452 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 6711001660000 its reverse (661001176), we get a palindrome (6711662661176).

The spelling of 6711001660000 in words is "six trillion, seven hundred eleven billion, one million, six hundred sixty thousand".