1006211111166 has 24 divisors (see below), whose sum is σ = 2181124675080. Its totient is φ = 335249765136.

The previous prime is 1006211111153. The next prime is 1006211111173. The reversal of 1006211111166 is 6611111126001.

1006211111166 is a `hidden beast` number, since 1 + 0 + 0 + 621 + 11 + 11 + 16 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12787905 + ... + 12866348.

It is an arithmetic number, because the mean of its divisors is an integer number (90880194795).

Almost surely, 2^{1006211111166} is an apocalyptic number.

1006211111166 is an abundant number, since it is smaller than the sum of its proper divisors (1174913563914).

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

1006211111166 is a wasteful number, since it uses less digits than its factorization.

1006211111166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25656440 (or 25656437 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

Adding to 1006211111166 its reverse (6611111126001), we get a palindrome (7617322237167).

The spelling of 1006211111166 in words is "one trillion, six billion, two hundred eleven million, one hundred eleven thousand, one hundred sixty-six".