1066251346 has 8 divisors (see below), whose sum is σ = 1599634764. Its totient is φ = 533039760.

The previous prime is 1066251343. The next prime is 1066251379. The reversal of 1066251346 is 6431526601.

It can be written as a sum of positive squares in 2 ways, for example, as 942797025 + 123454321 = 30705^2 + 11111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1066251346² = 2273783865693623432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066251341) 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 in 3 ways as a sum of consecutive naturals, for example, 26125 + ... + 53056.

Almost surely, 2^1066251346 is an apocalyptic number.

1066251346 is a deficient number, since it is larger than the sum of its proper divisors (533383418).

1066251346 is an equidigital number, since it uses as much as digits as its factorization.

1066251346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85916.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1066251346 is about 32653.5043448632. The cubic root of 1066251346 is about 1021.6132825831.

Adding to 1066251346 its reverse (6431526601), we get a palindrome (7497777947).

The spelling of 1066251346 in words is "one billion, sixty-six million, two hundred fifty-one thousand, three hundred forty-six".