160400129 has 2 divisors, whose sum is σ = 160400130. Its totient is φ = 160400128.

The previous prime is 160400089. The next prime is 160400167. The reversal of 160400129 is 921004061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153388225 + 7011904 = 12385^2 + 2648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160400129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (160400179) 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, 80200064 + 80200065.

It is an arithmetic number, because the mean of its divisors is an integer number (80200065).

Almost surely, 2^160400129 is an apocalyptic number.

It is an amenable number.

160400129 is a deficient number, since it is larger than the sum of its proper divisors (1).

160400129 is an equidigital number, since it uses as much as digits as its factorization.

160400129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 160400129 is about 12664.9172519997. The cubic root of 160400129 is about 543.3356954326.

The spelling of 160400129 in words is "one hundred sixty million, four hundred thousand, one hundred twenty-nine".