1160819161 has 2 divisors, whose sum is σ = 1160819162. Its totient is φ = 1160819160.

The previous prime is 1160819147. The next prime is 1160819201. The reversal of 1160819161 is 1619180611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1059111936 + 101707225 = 32544^2 + 10085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1160819161 - 2¹³ = 1160810969 is a prime.

It is a super-2 number, since 2×1160819161² = 2695002249089487842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1160819111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580409580 + 580409581.

It is an arithmetic number, because the mean of its divisors is an integer number (580409581).

Almost surely, 2^1160819161 is an apocalyptic number.

It is an amenable number.

1160819161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1160819161 is an equidigital number, since it uses as much as digits as its factorization.

1160819161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 1160819161 is about 34070.7963071015. The cubic root of 1160819161 is about 1050.9648458594.

Adding to 1160819161 its reverse (1619180611), we get a palindrome (2779999772).

The spelling of 1160819161 in words is "one billion, one hundred sixty million, eight hundred nineteen thousand, one hundred sixty-one".