666067248000 has 2304 divisors, whose sum is σ = 3098934558720. Its totient is φ = 134120448000.

The previous prime is 666067247977. The next prime is 666067248023. The reversal of 666067248000 is 842760666.

It is an interprime number because it is at equal distance from previous prime (666067247977) and next prime (666067248023).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 5244623937 + ... + 5244624063.

It is an arithmetic number, because the mean of its divisors is an integer number (1345023680).

Almost surely, 2^666067248000 is an apocalyptic number.

666067248000 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 666067248000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549467279360).

666067248000 is an abundant number, since it is smaller than the sum of its proper divisors (2432867310720).

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

666067248000 is a wasteful number, since it uses less digits than its factorization.

666067248000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 666067248000 in words is "six hundred sixty-six billion, sixty-seven million, two hundred forty-eight thousand".