1066053789 has 12 divisors (see below), whose sum is σ = 1540146972. Its totient is φ = 710568000.

The previous prime is 1066053787. The next prime is 1066053797. The reversal of 1066053789 is 9873506601.

It is a happy number.

1066053789 is a `hidden beast` number, since 1 + 0 + 6 + 605 + 37 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 703151289 + 362902500 = 26517^2 + 19050^2 .

It is not a de Polignac number, because 1066053789 - 2¹ = 1066053787 is a prime.

It is a super-2 number, since 2×1066053789² = 2272941362082513042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066053787) 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 11 ways as a sum of consecutive naturals, for example, 69739 + ... + 83639.

It is an arithmetic number, because the mean of its divisors is an integer number (128345581).

Almost surely, 2^1066053789 is an apocalyptic number.

It is an amenable number.

1066053789 is a deficient number, since it is larger than the sum of its proper divisors (474093183).

1066053789 is a wasteful number, since it uses less digits than its factorization.

1066053789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22428 (or 22425 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1066053789 is about 32650.4791542176. The cubic root of 1066053789 is about 1021.5501832265.

The spelling of 1066053789 in words is "one billion, sixty-six million, fifty-three thousand, seven hundred eighty-nine".