1066161097 has 2 divisors, whose sum is σ = 1066161098. Its totient is φ = 1066161096.

The previous prime is 1066161073. The next prime is 1066161101. The reversal of 1066161097 is 7901616601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1061391241 + 4769856 = 32579^2 + 2184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066161097 - 2⁷ = 1066160969 is a prime.

It is a super-2 number, since 2×1066161097² = 2273398969512486818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066161037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533080548 + 533080549.

It is an arithmetic number, because the mean of its divisors is an integer number (533080549).

Almost surely, 2^1066161097 is an apocalyptic number.

It is an amenable number.

1066161097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066161097 is an equidigital number, since it uses as much as digits as its factorization.

1066161097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1066161097 is about 32652.1223965610. The cubic root of 1066161097 is about 1021.5844581791.

Adding to 1066161097 its reverse (7901616601), we get a palindrome (8967777698).

The spelling of 1066161097 in words is "one billion, sixty-six million, one hundred sixty-one thousand, ninety-seven".