161606010565118 has 16 divisors (see below), whose sum is σ = 277052589856224. Its totient is φ = 69256290163200.

The previous prime is 161606010565079. The next prime is 161606010565133. The reversal of 161606010565118 is 811565010606161.

It is a happy number.

161606010565118 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161606010565118² (a number of 29 digits) contains 22 as substring.

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 (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285427955 + ... + 285993582.

It is an arithmetic number, because the mean of its divisors is an integer number (17315786866014).

Almost surely, 2^{161606010565118} is an apocalyptic number.

161606010565118 is a deficient number, since it is larger than the sum of its proper divisors (115446579291106).

161606010565118 is a wasteful number, since it uses less digits than its factorization.

161606010565118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571441747.

The product of its (nonzero) digits is 259200, while the sum is 47.

The spelling of 161606010565118 in words is "one hundred sixty-one trillion, six hundred six billion, ten million, five hundred sixty-five thousand, one hundred eighteen".