160791481 has 2 divisors, whose sum is σ = 160791482. Its totient is φ = 160791480.

The previous prime is 160791469. The next prime is 160791511. The reversal of 160791481 is 184197061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156650256 + 4141225 = 12516^2 + 2035^2 .

It is a cyclic number.

It is not a de Polignac number, because 160791481 - 2⁹ = 160790969 is a prime.

It is a super-2 number, since 2×160791481² = 51707800724346722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 160791481.

It is not a weakly prime, because it can be changed into another prime (160792481) 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, 80395740 + 80395741.

It is an arithmetic number, because the mean of its divisors is an integer number (80395741).

Almost surely, 2^160791481 is an apocalyptic number.

It is an amenable number.

160791481 is a deficient number, since it is larger than the sum of its proper divisors (1).

160791481 is an equidigital number, since it uses as much as digits as its factorization.

160791481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 160791481 is about 12680.3580785402. The cubic root of 160791481 is about 543.7772221189. Note that the first 3 decimals are identical.

The spelling of 160791481 in words is "one hundred sixty million, seven hundred ninety-one thousand, four hundred eighty-one".