6666495892992 has 400 divisors, whose sum is σ = 21730262111712. Its totient is φ = 2022327336960.

The previous prime is 6666495892943. The next prime is 6666495893009. The reversal of 6666495892992 is 2992985946666.

It is a Harshad number since it is a multiple of its sum of digits (81).

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, 38191578 + ... + 38365734.

Almost surely, 2^{6666495892992} 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 6666495892992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10865131055856).

6666495892992 is an abundant number, since it is smaller than the sum of its proper divisors (15063766218720).

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

6666495892992 is a wasteful number, since it uses less digits than its factorization.

6666495892992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174271 (or 174246 counting only the distinct ones).

The product of its digits is 5441955840, while the sum is 81.

The spelling of 6666495892992 in words is "six trillion, six hundred sixty-six billion, four hundred ninety-five million, eight hundred ninety-two thousand, nine hundred ninety-two".