1066601453280 has 768 divisors, whose sum is σ = 3840596508672. Its totient is φ = 246564864000.

The previous prime is 1066601453273. The next prime is 1066601453297. The reversal of 1066601453280 is 823541066601.

1066601453280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1066601453280³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2047219420 + ... + 2047219940.

It is an arithmetic number, because the mean of its divisors is an integer number (5000776704).

Almost surely, 2^{1066601453280} is an apocalyptic number.

1066601453280 is a gapful number since it is divisible by the number (10) 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 1066601453280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1920298254336).

1066601453280 is an abundant number, since it is smaller than the sum of its proper divisors (2773995055392).

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

1066601453280 is a wasteful number, since it uses less digits than its factorization.

1066601453280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 1066601453280 in words is "one trillion, sixty-six billion, six hundred one million, four hundred fifty-three thousand, two hundred eighty".