1083665161 has 2 divisors, whose sum is σ = 1083665162. Its totient is φ = 1083665160.

The previous prime is 1083665131. The next prime is 1083665173. The reversal of 1083665161 is 1615663801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 627201936 + 456463225 = 25044^2 + 21365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1083665161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1083665161.

It is not a weakly prime, because it can be changed into another prime (1083665131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541832580 + 541832581.

It is an arithmetic number, because the mean of its divisors is an integer number (541832581).

Almost surely, 2^1083665161 is an apocalyptic number.

It is an amenable number.

1083665161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083665161 is an equidigital number, since it uses as much as digits as its factorization.

1083665161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1083665161 is about 32919.0698683909. The cubic root of 1083665161 is about 1027.1448755494.

The spelling of 1083665161 in words is "one billion, eighty-three million, six hundred sixty-five thousand, one hundred sixty-one".