161160611 has 2 divisors, whose sum is σ = 161160612. Its totient is φ = 161160610.

The previous prime is 161160589. The next prime is 161160613. The reversal of 161160611 is 116061161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161160611 - 2¹⁰ = 161159587 is a prime.

Together with 161160613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (161160613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80580305 + 80580306.

It is an arithmetic number, because the mean of its divisors is an integer number (80580306).

Almost surely, 2^161160611 is an apocalyptic number.

161160611 is a deficient number, since it is larger than the sum of its proper divisors (1).

161160611 is an equidigital number, since it uses as much as digits as its factorization.

161160611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 161160611 is about 12694.9049228421. The cubic root of 161160611 is about 544.1930216767.

The spelling of 161160611 in words is "one hundred sixty-one million, one hundred sixty thousand, six hundred eleven".