1068158933 has 2 divisors, whose sum is σ = 1068158934. Its totient is φ = 1068158932.

The previous prime is 1068158911. The next prime is 1068158947. The reversal of 1068158933 is 3398518601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695746129 + 372412804 = 26377^2 + 19298^2 .

It is an emirp because it is prime and its reverse (3398518601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1068158933 - 2⁶ = 1068158869 is a prime.

It is a super-2 number, since 2×1068158933² = 2281927012295396978, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068158033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534079466 + 534079467.

It is an arithmetic number, because the mean of its divisors is an integer number (534079467).

Almost surely, 2^1068158933 is an apocalyptic number.

It is an amenable number.

1068158933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068158933 is an equidigital number, since it uses as much as digits as its factorization.

1068158933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1068158933 is about 32682.7008216885. The cubic root of 1068158933 is about 1022.2221619044. Note that the first 3 decimals are identical.

The spelling of 1068158933 in words is "one billion, sixty-eight million, one hundred fifty-eight thousand, nine hundred thirty-three".