160061591 has 2 divisors, whose sum is σ = 160061592. Its totient is φ = 160061590.

The previous prime is 160061563. The next prime is 160061597. The reversal of 160061591 is 195160061.

It is a strong prime.

It is an emirp because it is prime and its reverse (195160061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160061591 - 2¹⁰ = 160060567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160061597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80030795 + 80030796.

It is an arithmetic number, because the mean of its divisors is an integer number (80030796).

Almost surely, 2^160061591 is an apocalyptic number.

160061591 is a deficient number, since it is larger than the sum of its proper divisors (1).

160061591 is an equidigital number, since it uses as much as digits as its factorization.

160061591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 160061591 is about 12651.5450044649. The cubic root of 160061591 is about 542.9531742556.

The spelling of 160061591 in words is "one hundred sixty million, sixty-one thousand, five hundred ninety-one".