1160321161 has 8 divisors (see below), whose sum is σ = 1172587104. Its totient is φ = 1148081760.

The previous prime is 1160321153. The next prime is 1160321167. The reversal of 1160321161 is 1611230611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1160321161 - 2³ = 1160321153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1160321167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88341 + ... + 100621.

It is an arithmetic number, because the mean of its divisors is an integer number (146573388).

Almost surely, 2^1160321161 is an apocalyptic number.

It is an amenable number.

1160321161 is a deficient number, since it is larger than the sum of its proper divisors (12265943).

1160321161 is a wasteful number, since it uses less digits than its factorization.

1160321161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13271.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1160321161 is about 34063.4872113822. The cubic root of 1160321161 is about 1050.8145338001.

Adding to 1160321161 its reverse (1611230611), we get a palindrome (2771551772).

The spelling of 1160321161 in words is "one billion, one hundred sixty million, three hundred twenty-one thousand, one hundred sixty-one".