160647289889 has 2 divisors, whose sum is σ = 160647289890. Its totient is φ = 160647289888.

The previous prime is 160647289879. The next prime is 160647289949. The reversal of 160647289889 is 988982746061.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99543405025 + 61103884864 = 315505^2 + 247192^2 .

It is a cyclic number.

It is not a de Polignac number, because 160647289889 - 2¹² = 160647285793 is a prime.

It is not a weakly prime, because it can be changed into another prime (160647289879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80323644944 + 80323644945.

It is an arithmetic number, because the mean of its divisors is an integer number (80323644945).

Almost surely, 2^160647289889 is an apocalyptic number.

It is an amenable number.

160647289889 is a deficient number, since it is larger than the sum of its proper divisors (1).

160647289889 is an equidigital number, since it uses as much as digits as its factorization.

160647289889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83607552, while the sum is 68.

The spelling of 160647289889 in words is "one hundred sixty billion, six hundred forty-seven million, two hundred eighty-nine thousand, eight hundred eighty-nine".