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16072065161 is a prime number
BaseRepresentation
bin11101111011111100…
…00100000010001001
31112111002102111121122
432331332010002021
5230403422041121
611214452045025
71106165204555
oct167576040211
945432374548
1016072065161
1168a8297489
123146603775
131691998a39
14ac6770865
15640ecd5ab
hex3bdf84089

16072065161 has 2 divisors, whose sum is σ = 16072065162. Its totient is φ = 16072065160.

The previous prime is 16072065133. The next prime is 16072065181. The reversal of 16072065161 is 16156027061.

16072065161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14500735561 + 1571329600 = 120419^2 + 39640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16072065161 is a prime.

It is a super-2 number, since 2×160720651612 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16072065181) 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, 8036032580 + 8036032581.

It is an arithmetic number, because the mean of its divisors is an integer number (8036032581).

Almost surely, 216072065161 is an apocalyptic number.

It is an amenable number.

16072065161 is a deficient number, since it is larger than the sum of its proper divisors (1).

16072065161 is an equidigital number, since it uses as much as digits as its factorization.

16072065161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 16072065161 in words is "sixteen billion, seventy-two million, sixty-five thousand, one hundred sixty-one".