1066542679 has 2 divisors, whose sum is σ = 1066542680. Its totient is φ = 1066542678.

The previous prime is 1066542611. The next prime is 1066542707. The reversal of 1066542679 is 9762456601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066542679 - 2⁹ = 1066542167 is a prime.

It is a super-2 number, since 2×1066542679² = 2275026572256994082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066572679) 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 as a sum of consecutive naturals, namely, 533271339 + 533271340.

It is an arithmetic number, because the mean of its divisors is an integer number (533271340).

Almost surely, 2^1066542679 is an apocalyptic number.

1066542679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066542679 is an equidigital number, since it uses as much as digits as its factorization.

1066542679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1066542679 is about 32657.9650162101. The cubic root of 1066542679 is about 1021.7063196080.

The spelling of 1066542679 in words is "one billion, sixty-six million, five hundred forty-two thousand, six hundred seventy-nine".