160911330716889 has 9 divisors (see below), whose sum is σ = 232427532670879. Its totient is φ = 107274195107760.

The previous prime is 160911330716881. The next prime is 160911330717019. The reversal of 160911330716889 is 988617033119061.

The square root of 160911330716889 is 12685083.

It is a perfect power (a square), and thus also a powerful number.

160911330716889 is a `hidden beast` number, since 1 + 6 + 0 + 91 + 1 + 3 + 307 + 168 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 160724914019289 + 186416697600 = 12677733^2 + 431760^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 160911330716889 - 2³ = 160911330716881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160911330716881) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 35941069 + ... + 40169429.

Almost surely, 2^{160911330716889} is an apocalyptic number.

160911330716889 is the 12685083-rd square number.

160911330716889 is the 6342542-nd centered octagonal number.

It is an amenable number.

160911330716889 is a deficient number, since it is larger than the sum of its proper divisors (71516201953990).

160911330716889 is an frugal number, since it uses more digits than its factorization.

160911330716889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8456728 (or 4228364 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 160911330716889 in words is "one hundred sixty trillion, nine hundred eleven billion, three hundred thirty million, seven hundred sixteen thousand, eight hundred eighty-nine".