1065040166 has 4 divisors (see below), whose sum is σ = 1597560252. Its totient is φ = 532520082.

The previous prime is 1065040129. The next prime is 1065040169. The reversal of 1065040166 is 6610405601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6610405601 = 173 ⋅38210437.

It is a super-2 number, since 2×1065040166² = 2268621110386615112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065040169) 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, 266260040 + ... + 266260043.

It is an arithmetic number, because the mean of its divisors is an integer number (399390063).

Almost surely, 2^1065040166 is an apocalyptic number.

1065040166 is a deficient number, since it is larger than the sum of its proper divisors (532520086).

1065040166 is an equidigital number, since it uses as much as digits as its factorization.

1065040166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532520085.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1065040166 is about 32634.9531331056. The cubic root of 1065040166 is about 1021.2263111650.

Adding to 1065040166 its reverse (6610405601), we get a palindrome (7675445767).

The spelling of 1065040166 in words is "one billion, sixty-five million, forty thousand, one hundred sixty-six".