1066408881760 has 24 divisors (see below), whose sum is σ = 2519390983536. Its totient is φ = 426563552640.

The previous prime is 1066408881751. The next prime is 1066408881799. The reversal of 1066408881760 is 671888046601.

It is a happy number.

It is a super-2 number, since 2×1066408881760² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3332527596 + ... + 3332527915.

It is an arithmetic number, because the mean of its divisors is an integer number (104974624314).

Almost surely, 2^{1066408881760} is an apocalyptic number.

1066408881760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066408881760 is an abundant number, since it is smaller than the sum of its proper divisors (1452982101776).

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

1066408881760 is an equidigital number, since it uses as much as digits as its factorization.

1066408881760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665055526 (or 6665055518 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 1066408881760 in words is "one trillion, sixty-six billion, four hundred eight million, eight hundred eighty-one thousand, seven hundred sixty".