1066411415720 has 96 divisors (see below), whose sum is σ = 2826500313600. Its totient is φ = 360998531712.

The previous prime is 1066411415711. The next prime is 1066411415747. The reversal of 1066411415720 is 275141146601.

It is a super-2 number, since 2×1066411415720² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3288752 + ... + 3598431.

It is an arithmetic number, because the mean of its divisors is an integer number (29442711600).

Almost surely, 2^{1066411415720} is an apocalyptic number.

1066411415720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066411415720 is an abundant number, since it is smaller than the sum of its proper divisors (1760088897880).

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

1066411415720 is a wasteful number, since it uses less digits than its factorization.

1066411415720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887287 (or 6887276 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 1066411415720 in words is "one trillion, sixty-six billion, four hundred eleven million, four hundred fifteen thousand, seven hundred twenty".