1068171057 has 20 divisors (see below), whose sum is σ = 1596681636. Its totient is φ = 711659520.

The previous prime is 1068170993. The next prime is 1068171101. The reversal of 1068171057 is 7501718601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 388838961 + 679332096 = 19719^2 + 26064^2 .

It is not a de Polignac number, because 1068171057 - 2⁶ = 1068170993 is a prime.

It is a super-2 number, since 2×1068171057² = 2281978814024994498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068171157) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 165393 + ... + 171729.

Almost surely, 2^1068171057 is an apocalyptic number.

It is an amenable number.

1068171057 is a deficient number, since it is larger than the sum of its proper divisors (528510579).

1068171057 is an equidigital number, since it uses as much as digits as its factorization.

1068171057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8430 (or 8421 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The square root of 1068171057 is about 32682.8863015493. The cubic root of 1068171057 is about 1022.2260294234.

Adding to 1068171057 its reverse (7501718601), we get a palindrome (8569889658).

The spelling of 1068171057 in words is "one billion, sixty-eight million, one hundred seventy-one thousand, fifty-seven".