160216160777 has 2 divisors, whose sum is σ = 160216160778. Its totient is φ = 160216160776.

The previous prime is 160216160743. The next prime is 160216160789. The reversal of 160216160777 is 777061612061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154811558521 + 5404602256 = 393461^2 + 73516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160216160777 is a prime.

It is not a weakly prime, because it can be changed into another prime (160216160077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80108080388 + 80108080389.

It is an arithmetic number, because the mean of its divisors is an integer number (80108080389).

Almost surely, 2^160216160777 is an apocalyptic number.

It is an amenable number.

160216160777 is a deficient number, since it is larger than the sum of its proper divisors (1).

160216160777 is an equidigital number, since it uses as much as digits as its factorization.

160216160777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 160216160777 in words is "one hundred sixty billion, two hundred sixteen million, one hundred sixty thousand, seven hundred seventy-seven".