1066424056 has 32 divisors (see below), whose sum is σ = 2099059200. Its totient is φ = 507258720.

The previous prime is 1066424041. The next prime is 1066424057. The reversal of 1066424056 is 6504246601.

It is a super-2 number, since 2×1066424056² = 2274520534430982272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066424057) 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 7 ways as a sum of consecutive naturals, for example, 21810 + ... + 51073.

It is an arithmetic number, because the mean of its divisors is an integer number (65595600).

Almost surely, 2^1066424056 is an apocalyptic number.

It is an amenable number.

1066424056 is a deficient number, since it is larger than the sum of its proper divisors (1032635144).

1066424056 is a wasteful number, since it uses less digits than its factorization.

1066424056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72979 (or 72975 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1066424056 is about 32656.1488237667. The cubic root of 1066424056 is about 1021.6684394667.

The spelling of 1066424056 in words is "one billion, sixty-six million, four hundred twenty-four thousand, fifty-six".