160541531309 has 2 divisors, whose sum is σ = 160541531310. Its totient is φ = 160541531308.

The previous prime is 160541531291. The next prime is 160541531333. The reversal of 160541531309 is 903135145061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135195936100 + 25345595209 = 367690^2 + 159203^2 .

It is a cyclic number.

It is not a de Polignac number, because 160541531309 - 2³⁶ = 91822054573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160541531369) 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, 80270765654 + 80270765655.

It is an arithmetic number, because the mean of its divisors is an integer number (80270765655).

Almost surely, 2^160541531309 is an apocalyptic number.

It is an amenable number.

160541531309 is a deficient number, since it is larger than the sum of its proper divisors (1).

160541531309 is an equidigital number, since it uses as much as digits as its factorization.

160541531309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 160541531309 in words is "one hundred sixty billion, five hundred forty-one million, five hundred thirty-one thousand, three hundred nine".