1068158916 has 108 divisors (see below), whose sum is σ = 3079767600. Its totient is φ = 309550560.

The previous prime is 1068158911. The next prime is 1068158933. The reversal of 1068158916 is 6198518601.

1068158916 is a `hidden beast` number, since 1 + 0 + 68 + 1 + 589 + 1 + 6 = 666.

It is a super-2 number, since 2×1068158916² = 2281926939660590112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1068158911) 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 35 ways as a sum of consecutive naturals, for example, 206935 + ... + 212033.

Almost surely, 2^1068158916 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 1068158916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539883800).

1068158916 is an abundant number, since it is smaller than the sum of its proper divisors (2011608684).

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

1068158916 is a wasteful number, since it uses less digits than its factorization.

1068158916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166 (or 5138 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 1068158916 is about 32682.7005616121. The cubic root of 1068158916 is about 1022.2221564815. Note that the first 3 decimals are identical.

The spelling of 1068158916 in words is "one billion, sixty-eight million, one hundred fifty-eight thousand, nine hundred sixteen".