1068936161 has 2 divisors, whose sum is σ = 1068936162. Its totient is φ = 1068936160.

The previous prime is 1068936151. The next prime is 1068936229. The reversal of 1068936161 is 1616398601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 606686161 + 462250000 = 24631^2 + 21500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068936161 - 2¹⁸ = 1068674017 is a prime.

It is a super-2 number, since 2×1068936161² = 2285249032586835842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1068936101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534468080 + 534468081.

It is an arithmetic number, because the mean of its divisors is an integer number (534468081).

Almost surely, 2^1068936161 is an apocalyptic number.

It is an amenable number.

1068936161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068936161 is an equidigital number, since it uses as much as digits as its factorization.

1068936161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 1068936161 is about 32694.5891700752. The cubic root of 1068936161 is about 1022.4700360857.

The spelling of 1068936161 in words is "one billion, sixty-eight million, nine hundred thirty-six thousand, one hundred sixty-one".