1066851427 has 2 divisors, whose sum is σ = 1066851428. Its totient is φ = 1066851426.

The previous prime is 1066851413. The next prime is 1066851497. The reversal of 1066851427 is 7241586601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066851427 - 2¹⁵ = 1066818659 is a prime.

It is a super-2 number, since 2×1066851427² = 2276343934583872658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066851427.

It is not a weakly prime, because it can be changed into another prime (1066851497) 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, 533425713 + 533425714.

It is an arithmetic number, because the mean of its divisors is an integer number (533425714).

Almost surely, 2^1066851427 is an apocalyptic number.

1066851427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066851427 is an equidigital number, since it uses as much as digits as its factorization.

1066851427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1066851427 is about 32662.6916680178. The cubic root of 1066851427 is about 1021.8048996132.

The spelling of 1066851427 in words is "one billion, sixty-six million, eight hundred fifty-one thousand, four hundred twenty-seven".