161606060111066 has 16 divisors (see below), whose sum is σ = 242695879511400. Its totient is φ = 80707468976640.

The previous prime is 161606060111063. The next prime is 161606060111107. The reversal of 161606060111066 is 660111060606161.

It can be written as a sum of positive squares in 4 ways, for example, as 145435037526025 + 16171022585041 = 12059645^2 + 4021321^2 .

It is a super-2 number, since 2×161606060111066² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161606060111063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301346 + ... + 17980626.

Almost surely, 2^{161606060111066} is an apocalyptic number.

161606060111066 is a deficient number, since it is larger than the sum of its proper divisors (81089819400334).

161606060111066 is a wasteful number, since it uses less digits than its factorization.

161606060111066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17684689.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 161606060111066 in words is "one hundred sixty-one trillion, six hundred six billion, sixty million, one hundred eleven thousand, sixty-six".