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160208161 is a prime number
BaseRepresentation
bin10011000110010…
…01010100100001
3102011110102021121
421203021110201
5312003130121
623521452241
73653514121
oct1143112441
9364412247
10160208161
1182484843
12457a1081
1327264439
14173c4c81
15e0e9141
hex98c9521

160208161 has 2 divisors, whose sum is σ = 160208162. Its totient is φ = 160208160.

The previous prime is 160208141. The next prime is 160208219. The reversal of 160208161 is 161802061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145347136 + 14861025 = 12056^2 + 3855^2 .

It is an emirp because it is prime and its reverse (161802061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-160208161 is a prime.

It is not a weakly prime, because it can be changed into another prime (160208141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80104080 + 80104081.

It is an arithmetic number, because the mean of its divisors is an integer number (80104081).

Almost surely, 2160208161 is an apocalyptic number.

It is an amenable number.

160208161 is a deficient number, since it is larger than the sum of its proper divisors (1).

160208161 is an equidigital number, since it uses as much as digits as its factorization.

160208161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 160208161 is about 12657.3362521504. The cubic root of 160208161 is about 543.1188529123.

The spelling of 160208161 in words is "one hundred sixty million, two hundred eight thousand, one hundred sixty-one".