1068020856 has 384 divisors, whose sum is σ = 3742848000. Its totient is φ = 280433664.

The previous prime is 1068020839. The next prime is 1068020857. The reversal of 1068020856 is 6580208601.

It is a happy number.

It is a super-2 number, since 2×1068020856² = 2281337097701945472, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1068020856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068020857) 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 95 ways as a sum of consecutive naturals, for example, 9451456 + ... + 9451568.

It is an arithmetic number, because the mean of its divisors is an integer number (9747000).

Almost surely, 2^1068020856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068020856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871424000).

1068020856 is an abundant number, since it is smaller than the sum of its proper divisors (2674827144).

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

1068020856 is a wasteful number, since it uses less digits than its factorization.

1068020856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1068020856 is about 32680.5883667966. The cubic root of 1068020856 is about 1022.1781136992.

The spelling of 1068020856 in words is "one billion, sixty-eight million, twenty thousand, eight hundred fifty-six".