1068161859 has 12 divisors (see below), whose sum is σ = 1543928152. Its totient is φ = 711633600.

The previous prime is 1068161849. The next prime is 1068161863. The reversal of 1068161859 is 9581618601.

It is not a de Polignac number, because 1068161859 - 2⁵ = 1068161827 is a prime.

It is a super-2 number, since 2×1068161859² = 2281939514044671762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068161849) 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 11 ways as a sum of consecutive naturals, for example, 24982 + ... + 52539.

Almost surely, 2^1068161859 is an apocalyptic number.

1068161859 is a deficient number, since it is larger than the sum of its proper divisors (475766293).

1068161859 is a wasteful number, since it uses less digits than its factorization.

1068161859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79058 (or 79055 counting only the distinct ones).

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

The square root of 1068161859 is about 32682.7455854003. The cubic root of 1068161859 is about 1022.2230952922.

The spelling of 1068161859 in words is "one billion, sixty-eight million, one hundred sixty-one thousand, eight hundred fifty-nine".