1066365526 has 4 divisors (see below), whose sum is σ = 1599548292. Its totient is φ = 533182762.

The previous prime is 1066365499. The next prime is 1066365527. The reversal of 1066365526 is 6255636601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6255636601 = 59 ⋅106027739.

It is a super-2 number, since 2×1066365526² = 2274270870082513352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066365527) 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, 266591380 + ... + 266591383.

It is an arithmetic number, because the mean of its divisors is an integer number (399887073).

Almost surely, 2^1066365526 is an apocalyptic number.

1066365526 is a deficient number, since it is larger than the sum of its proper divisors (533182766).

1066365526 is an equidigital number, since it uses as much as digits as its factorization.

1066365526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533182765.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 1066365526 is about 32655.2526555836. The cubic root of 1066365526 is about 1021.6497479192.

The spelling of 1066365526 in words is "one billion, sixty-six million, three hundred sixty-five thousand, five hundred twenty-six".