1066053181 has 2 divisors, whose sum is σ = 1066053182. Its totient is φ = 1066053180.

The previous prime is 1066053173. The next prime is 1066053211. The reversal of 1066053181 is 1813506601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969325956 + 96727225 = 31134^2 + 9835^2 .

It is an emirp because it is prime and its reverse (1813506601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1066053181 - 2³ = 1066053173 is a prime.

It is a super-2 number, since 2×1066053181² = 2272938769440437522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066053101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533026590 + 533026591.

It is an arithmetic number, because the mean of its divisors is an integer number (533026591).

Almost surely, 2^1066053181 is an apocalyptic number.

It is an amenable number.

1066053181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066053181 is an equidigital number, since it uses as much as digits as its factorization.

1066053181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1066053181 is about 32650.4698434800. The cubic root of 1066053181 is about 1021.5499890204.

Adding to 1066053181 its reverse (1813506601), we get a palindrome (2879559782).

The spelling of 1066053181 in words is "one billion, sixty-six million, fifty-three thousand, one hundred eighty-one".