1066601116660 has 96 divisors (see below), whose sum is σ = 2298300060672. Its totient is φ = 415599828480.

The previous prime is 1066601116631. The next prime is 1066601116699. The reversal of 1066601116660 is 666111066601.

It is a super-2 number, since 2×1066601116660² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189682609 + ... + 189688231.

It is an arithmetic number, because the mean of its divisors is an integer number (23940625632).

Almost surely, 2^{1066601116660} is an apocalyptic number.

1066601116660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066601116660 is an abundant number, since it is smaller than the sum of its proper divisors (1231698944012).

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

1066601116660 is a wasteful number, since it uses less digits than its factorization.

1066601116660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6593 (or 6591 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 1066601116660 in words is "one trillion, sixty-six billion, six hundred one million, one hundred sixteen thousand, six hundred sixty".