1066889704 has 16 divisors (see below), whose sum is σ = 2002940100. Its totient is φ = 532772352.

The previous prime is 1066889701. The next prime is 1066889717. The reversal of 1066889704 is 4079886601.

It can be written as a sum of positive squares in 2 ways, for example, as 1036968804 + 29920900 = 32202^2 + 5470^2 .

It is a super-2 number, since 2×1066889704² = 2276507281002415232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066889701) 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 3 ways as a sum of consecutive naturals, for example, 77289 + ... + 90040.

Almost surely, 2^1066889704 is an apocalyptic number.

It is an amenable number.

1066889704 is a deficient number, since it is larger than the sum of its proper divisors (936050396).

1066889704 is a wasteful number, since it uses less digits than its factorization.

1066889704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168132 (or 168128 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 1066889704 is about 32663.2776065110. The cubic root of 1066889704 is about 1021.8171197335.

The spelling of 1066889704 in words is "one billion, sixty-six million, eight hundred eighty-nine thousand, seven hundred four".