106665665061 has 16 divisors (see below), whose sum is σ = 142355783744. Its totient is φ = 71043035904.

The previous prime is 106665665039. The next prime is 106665665077. The reversal of 106665665061 is 160566566601.

It is not a de Polignac number, because 106665665061 - 2⁶ = 106665664997 is a prime.

It is a super-2 number, since 2×106665665061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 106665665061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106665665021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22902045 + ... + 22906701.

It is an arithmetic number, because the mean of its divisors is an integer number (8897236484).

Almost surely, 2^106665665061 is an apocalyptic number.

It is an amenable number.

106665665061 is a deficient number, since it is larger than the sum of its proper divisors (35690118683).

106665665061 is a wasteful number, since it uses less digits than its factorization.

106665665061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10260.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 106665665061 in words is "one hundred six billion, six hundred sixty-five million, six hundred sixty-five thousand, sixty-one".