159795761 has 2 divisors, whose sum is σ = 159795762. Its totient is φ = 159795760.

The previous prime is 159795739. The next prime is 159795781. The reversal of 159795761 is 167597951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115971361 + 43824400 = 10769^2 + 6620^2 .

It is a cyclic number.

It is not a de Polignac number, because 159795761 - 2¹⁸ = 159533617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (159795781) 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, 79897880 + 79897881.

It is an arithmetic number, because the mean of its divisors is an integer number (79897881).

Almost surely, 2^159795761 is an apocalyptic number.

It is an amenable number.

159795761 is a deficient number, since it is larger than the sum of its proper divisors (1).

159795761 is an equidigital number, since it uses as much as digits as its factorization.

159795761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 595350, while the sum is 50.

The square root of 159795761 is about 12641.0348073249. The cubic root of 159795761 is about 542.6524291528.

The spelling of 159795761 in words is "one hundred fifty-nine million, seven hundred ninety-five thousand, seven hundred sixty-one".