1066051056 has 120 divisors (see below), whose sum is σ = 3216986064. Its totient is φ = 303313920.

The previous prime is 1066051037. The next prime is 1066051073. The reversal of 1066051056 is 6501506601.

It is a super-2 number, since 2×1066051056² = 2272929707997430272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 660106 + ... + 661718.

Almost surely, 2^1066051056 is an apocalyptic number.

1066051056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066051056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608493032).

1066051056 is an abundant number, since it is smaller than the sum of its proper divisors (2150935008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066051056 is a wasteful number, since it uses less digits than its factorization.

1066051056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1066051056 is about 32650.4373018188. The cubic root of 1066051056 is about 1021.5493102565.

Adding to 1066051056 its reverse (6501506601), we get a palindrome (7567557657).

It can be divided in two parts, 10660 and 51056, that added together give a palindrome (61716).

The spelling of 1066051056 in words is "one billion, sixty-six million, fifty-one thousand, fifty-six".