160109591 has 2 divisors, whose sum is σ = 160109592. Its totient is φ = 160109590.

The previous prime is 160109581. The next prime is 160109603. The reversal of 160109591 is 195901061.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160109591 is a prime.

It is a super-2 number, since 2×160109591² = 51270162260374562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160109581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80054795 + 80054796.

It is an arithmetic number, because the mean of its divisors is an integer number (80054796).

Almost surely, 2^160109591 is an apocalyptic number.

160109591 is a deficient number, since it is larger than the sum of its proper divisors (1).

160109591 is an equidigital number, since it uses as much as digits as its factorization.

160109591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 160109591 is about 12653.4418637776. The cubic root of 160109591 is about 543.0074432560.

The spelling of 160109591 in words is "one hundred sixty million, one hundred nine thousand, five hundred ninety-one".