160660659281 has 2 divisors, whose sum is σ = 160660659282. Its totient is φ = 160660659280.

The previous prime is 160660659197. The next prime is 160660659317. The reversal of 160660659281 is 182956066061.

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., 86676659281 + 73984000000 = 294409^2 + 272000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160660659281 is a prime.

It is a super-2 number, since 2×160660659281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (160660652281) 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, 80330329640 + 80330329641.

It is an arithmetic number, because the mean of its divisors is an integer number (80330329641).

Almost surely, 2^160660659281 is an apocalyptic number.

It is an amenable number.

160660659281 is a deficient number, since it is larger than the sum of its proper divisors (1).

160660659281 is an equidigital number, since it uses as much as digits as its factorization.

160660659281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 160660659281 in words is "one hundred sixty billion, six hundred sixty million, six hundred fifty-nine thousand, two hundred eighty-one".