1066166016606 has 24 divisors (see below), whose sum is σ = 2431606705320. Its totient is φ = 336684005136.

The previous prime is 1066166016581. The next prime is 1066166016613. The reversal of 1066166016606 is 6066106616601.

1066166016606 is a `hidden beast` number, since 10 + 6 + 6 + 16 + 6 + 0 + 16 + 606 = 666.

It is a super-2 number, since 2×1066166016606² (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 11 ways as a sum of consecutive naturals, for example, 1558721905 + ... + 1558722588.

It is an arithmetic number, because the mean of its divisors is an integer number (101316946055).

Almost surely, 2^{1066166016606} is an apocalyptic number.

1066166016606 is an abundant number, since it is smaller than the sum of its proper divisors (1365440688714).

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

1066166016606 is a wasteful number, since it uses less digits than its factorization.

1066166016606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117444520 (or 3117444517 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 1066166016606 in words is "one trillion, sixty-six billion, one hundred sixty-six million, sixteen thousand, six hundred six".