160398543281 has 2 divisors, whose sum is σ = 160398543282. Its totient is φ = 160398543280.

The previous prime is 160398543269. The next prime is 160398543299. The reversal of 160398543281 is 182345893061.

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., 160396245025 + 2298256 = 400495^2 + 1516^2 .

It is a cyclic number.

It is not a de Polignac number, because 160398543281 - 2¹⁸ = 160398281137 is a prime.

It is a super-2 number, since 2×160398543281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (160398543211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80199271640 + 80199271641.

It is an arithmetic number, because the mean of its divisors is an integer number (80199271641).

Almost surely, 2^160398543281 is an apocalyptic number.

It is an amenable number.

160398543281 is a deficient number, since it is larger than the sum of its proper divisors (1).

160398543281 is an equidigital number, since it uses as much as digits as its factorization.

160398543281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 160398543281 in words is "one hundred sixty billion, three hundred ninety-eight million, five hundred forty-three thousand, two hundred eighty-one".