1068117609 has 16 divisors (see below), whose sum is σ = 1571117184. Its totient is φ = 641270400.

The previous prime is 1068117607. The next prime is 1068117643. The reversal of 1068117609 is 9067118601.

It is not a de Polignac number, because 1068117609 - 2¹ = 1068117607 is a prime.

It is a super-2 number, since 2×1068117609² = 2281750453311753762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1068117607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332397 + ... + 335594.

It is an arithmetic number, because the mean of its divisors is an integer number (98194824).

Almost surely, 2^1068117609 is an apocalyptic number.

It is an amenable number.

1068117609 is a deficient number, since it is larger than the sum of its proper divisors (502999575).

1068117609 is a wasteful number, since it uses less digits than its factorization.

1068117609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668048.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 1068117609 is about 32682.0686156798. The cubic root of 1068117609 is about 1022.2089794550.

The spelling of 1068117609 in words is "one billion, sixty-eight million, one hundred seventeen thousand, six hundred nine".