1016166006605 has 32 divisors (see below), whose sum is σ = 1255743216000. Its totient is φ = 789109085952.

The previous prime is 1016166006599. The next prime is 1016166006637. The reversal of 1016166006605 is 5066006616101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1016166006605 - 2²⁸ = 1015897571149 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 10769171 + ... + 10863119.

It is an arithmetic number, because the mean of its divisors is an integer number (39241975500).

Almost surely, 2^{1016166006605} is an apocalyptic number.

It is an amenable number.

1016166006605 is a deficient number, since it is larger than the sum of its proper divisors (239577209395).

1016166006605 is an equidigital number, since it uses as much as digits as its factorization.

1016166006605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94493.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 1016166006605 in words is "one trillion, sixteen billion, one hundred sixty-six million, six thousand, six hundred five".