1066018999 has 2 divisors, whose sum is σ = 1066019000. Its totient is φ = 1066018998.

The previous prime is 1066018991. The next prime is 1066019011. The reversal of 1066018999 is 9998106601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066018999 - 2³ = 1066018991 is a prime.

It is a super-2 number, since 2×1066018999² = 2272793012457924002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066018991) 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, 533009499 + 533009500.

It is an arithmetic number, because the mean of its divisors is an integer number (533009500).

Almost surely, 2^1066018999 is an apocalyptic number.

1066018999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066018999 is an equidigital number, since it uses as much as digits as its factorization.

1066018999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 1066018999 is about 32649.9463858672. The cubic root of 1066018999 is about 1021.5390705548.

It can be divided in two parts, 106601 and 8999, that added together give a square (115600 = 340²).

The spelling of 1066018999 in words is "one billion, sixty-six million, eighteen thousand, nine hundred ninety-nine".