68011161 has 16 divisors (see below), whose sum is σ = 94815360. Its totient is φ = 43281920.

The previous prime is 68011147. The next prime is 68011189. The reversal of 68011161 is 16111086.

It is a cyclic number.

It is not a de Polignac number, because 68011161 - 2¹⁴ = 67994777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68015161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63571 + ... + 64631.

It is an arithmetic number, because the mean of its divisors is an integer number (5925960).

Almost surely, 2^68011161 is an apocalyptic number.

It is an amenable number.

68011161 is a deficient number, since it is larger than the sum of its proper divisors (26804199).

68011161 is a wasteful number, since it uses less digits than its factorization.

68011161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 68011161 is about 8246.8879584968. The cubic root of 68011161 is about 408.1878400253.

The spelling of 68011161 in words is "sixty-eight million, eleven thousand, one hundred sixty-one".