161106066500111 has 16 divisors (see below), whose sum is σ = 171645556723200. Its totient is φ = 150685432908288.

The previous prime is 161106066500089. The next prime is 161106066500123. The reversal of 161106066500111 is 111005660601161.

It is a cyclic number.

It is not a de Polignac number, because 161106066500111 - 2¹⁰ = 161106066499087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161106066500191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5648096 + ... + 18817893.

It is an arithmetic number, because the mean of its divisors is an integer number (10727847295200).

Almost surely, 2^{161106066500111} is an apocalyptic number.

161106066500111 is a deficient number, since it is larger than the sum of its proper divisors (10539490223089).

161106066500111 is a wasteful number, since it uses less digits than its factorization.

161106066500111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24468418.

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 161106066500111 in words is "one hundred sixty-one trillion, one hundred six billion, sixty-six million, five hundred thousand, one hundred eleven".