68111413 has 16 divisors (see below), whose sum is σ = 72887040. Its totient is φ = 63550656.

The previous prime is 68111389. The next prime is 68111431. The reversal of 68111413 is 31411186.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68111413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68111443) 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, 91798 + ... + 92536.

It is an arithmetic number, because the mean of its divisors is an integer number (4555440).

Almost surely, 2^68111413 is an apocalyptic number.

It is an amenable number.

68111413 is a deficient number, since it is larger than the sum of its proper divisors (4775627).

68111413 is a wasteful number, since it uses less digits than its factorization.

68111413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876.

The product of its digits is 576, while the sum is 25.

The square root of 68111413 is about 8252.9638918391. The cubic root of 68111413 is about 408.3883049505.

Adding to 68111413 its reverse (31411186), we get a palindrome (99522599).

The spelling of 68111413 in words is "sixty-eight million, one hundred eleven thousand, four hundred thirteen".