1066757089 has 36 divisors (see below), whose sum is σ = 1229159232. Its totient is φ = 923809920.

The previous prime is 1066757077. The next prime is 1066757117. The reversal of 1066757089 is 9807576601.

It is not a de Polignac number, because 1066757089 - 2⁷ = 1066756961 is a prime.

It is a super-2 number, since 2×1066757089² = 2275941373863507842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066757009) 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 in 35 ways as a sum of consecutive naturals, for example, 6387684 + ... + 6387850.

It is an arithmetic number, because the mean of its divisors is an integer number (34143312).

Almost surely, 2^1066757089 is an apocalyptic number.

It is an amenable number.

1066757089 is a deficient number, since it is larger than the sum of its proper divisors (162402143).

1066757089 is a wasteful number, since it uses less digits than its factorization.

1066757089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 1066757089 is about 32661.2475113857. The cubic root of 1066757089 is about 1021.7747804952.

The spelling of 1066757089 in words is "one billion, sixty-six million, seven hundred fifty-seven thousand, eighty-nine".