68844161 has 8 divisors (see below), whose sum is σ = 72350784. Its totient is φ = 65424240.

The previous prime is 68844137. The next prime is 68844179. The reversal of 68844161 is 16144886.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68844161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68844131) 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 7 ways as a sum of consecutive naturals, for example, 20045 + ... + 23226.

It is an arithmetic number, because the mean of its divisors is an integer number (9043848).

Almost surely, 2^68844161 is an apocalyptic number.

It is an amenable number.

68844161 is a deficient number, since it is larger than the sum of its proper divisors (3506623).

68844161 is a wasteful number, since it uses less digits than its factorization.

68844161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43351.

The product of its digits is 36864, while the sum is 38.

The square root of 68844161 is about 8297.2381549525. The cubic root of 68844161 is about 409.8475757025.

The spelling of 68844161 in words is "sixty-eight million, eight hundred forty-four thousand, one hundred sixty-one".