160161005601 has 12 divisors (see below), whose sum is σ = 231586440228. Its totient is φ = 106661958144.

The previous prime is 160161005573. The next prime is 160161005611. The reversal of 160161005601 is 106500161061.

160161005601 is a `hidden beast` number, since 1 + 601 + 6 + 1 + 0 + 0 + 56 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63946271376 + 96214734225 = 252876^2 + 310185^2 .

It is not a de Polignac number, because 160161005601 - 2⁵ = 160161005569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (160161005611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9328080 + ... + 9345233.

It is an arithmetic number, because the mean of its divisors is an integer number (19298870019).

Almost surely, 2^160161005601 is an apocalyptic number.

It is an amenable number.

160161005601 is a deficient number, since it is larger than the sum of its proper divisors (71425434627).

160161005601 is a wasteful number, since it uses less digits than its factorization.

160161005601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18674272 (or 18674269 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 160161005601 its reverse (106500161061), we get a palindrome (266661166662).

The spelling of 160161005601 in words is "one hundred sixty billion, one hundred sixty-one million, five thousand, six hundred one".