1056005568 has 42 divisors (see below), whose sum is σ = 3026850944. Its totient is φ = 352001664.

The previous prime is 1056005563. The next prime is 1056005591. The reversal of 1056005568 is 8655006501.

It is a super-2 number, since 2×1056005568² = 2230295519294005248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056005563) 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 5 ways as a sum of consecutive naturals, for example, 916096 + ... + 917247.

Almost surely, 2^1056005568 is an apocalyptic number.

1056005568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1056005568 is an abundant number, since it is smaller than the sum of its proper divisors (1970845376).

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

1056005568 is a wasteful number, since it uses less digits than its factorization.

1056005568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833361 (or 1833348 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 1056005568 is about 32496.2392901086. The cubic root of 1056005568 is about 1018.3304637185.

The spelling of 1056005568 in words is "one billion, fifty-six million, five thousand, five hundred sixty-eight".