1068117565 has 8 divisors (see below), whose sum is σ = 1357137720. Its totient is φ = 804229632.

The previous prime is 1068117553. The next prime is 1068117571. The reversal of 1068117565 is 5657118601.

It can be written as a sum of positive squares in 4 ways, for example, as 135792409 + 932325156 = 11653^2 + 30534^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1068117565 - 2²¹ = 1066020413 is a prime.

It is a super-2 number, since 2×1068117565² = 2281750265323058450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6282960 + ... + 6283129.

It is an arithmetic number, because the mean of its divisors is an integer number (169642215).

Almost surely, 2^1068117565 is an apocalyptic number.

It is an amenable number.

1068117565 is a deficient number, since it is larger than the sum of its proper divisors (289020155).

1068117565 is a wasteful number, since it uses less digits than its factorization.

1068117565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12566111.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1068117565 is about 32682.0679425277. The cubic root of 1068117565 is about 1022.2089654187.

The spelling of 1068117565 in words is "one billion, sixty-eight million, one hundred seventeen thousand, five hundred sixty-five".