160601591 has 2 divisors, whose sum is σ = 160601592. Its totient is φ = 160601590.

The previous prime is 160601579. The next prime is 160601611. The reversal of 160601591 is 195106061.

It is a weak prime.

It is an emirp because it is prime and its reverse (195106061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160601591 - 2⁶ = 160601527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160601561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80300795 + 80300796.

It is an arithmetic number, because the mean of its divisors is an integer number (80300796).

Almost surely, 2^160601591 is an apocalyptic number.

160601591 is a deficient number, since it is larger than the sum of its proper divisors (1).

160601591 is an equidigital number, since it uses as much as digits as its factorization.

160601591 is an evil number, because the sum of its binary digits is even.

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

The square root of 160601591 is about 12672.8683020065. The cubic root of 160601591 is about 543.5630761726.

The spelling of 160601591 in words is "one hundred sixty million, six hundred one thousand, five hundred ninety-one".