1065106105665 has 16 divisors (see below), whose sum is σ = 1947622593408. Its totient is φ = 486905648256.

The previous prime is 1065106105633. The next prime is 1065106105673. The reversal of 1065106105665 is 5665016015601.

It is not a de Polignac number, because 1065106105665 - 2⁵ = 1065106105633 is a prime.

It is a super-2 number, since 2×1065106105665² (a number of 25 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 5071933732 + ... + 5071933941.

It is an arithmetic number, because the mean of its divisors is an integer number (121726412088).

Almost surely, 2^{1065106105665} is an apocalyptic number.

1065106105665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1065106105665 is a deficient number, since it is larger than the sum of its proper divisors (882516487743).

1065106105665 is a wasteful number, since it uses less digits than its factorization.

1065106105665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10143867688.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 1065106105665 in words is "one trillion, sixty-five billion, one hundred six million, one hundred five thousand, six hundred sixty-five".