1082161193 has 2 divisors, whose sum is σ = 1082161194. Its totient is φ = 1082161192.

The previous prime is 1082161189. The next prime is 1082161211. The reversal of 1082161193 is 3911612801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1059958249 + 22202944 = 32557^2 + 4712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1082161193 - 2² = 1082161189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1082161123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541080596 + 541080597.

It is an arithmetic number, because the mean of its divisors is an integer number (541080597).

Almost surely, 2^1082161193 is an apocalyptic number.

It is an amenable number.

1082161193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082161193 is an equidigital number, since it uses as much as digits as its factorization.

1082161193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1082161193 is about 32896.2185212830. The cubic root of 1082161193 is about 1026.6694801721.

Adding to 1082161193 its reverse (3911612801), we get a palindrome (4993773994).

The spelling of 1082161193 in words is "one billion, eighty-two million, one hundred sixty-one thousand, one hundred ninety-three".