6768161 has 4 divisors (see below), whose sum is σ = 7124400. Its totient is φ = 6411924.

The previous prime is 6768149. The next prime is 6768163. The reversal of 6768161 is 1618676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6768161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6768163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178091 + ... + 178128.

It is an arithmetic number, because the mean of its divisors is an integer number (1781100).

Almost surely, 2^6768161 is an apocalyptic number.

It is an amenable number.

6768161 is a deficient number, since it is larger than the sum of its proper divisors (356239).

6768161 is a wasteful number, since it uses less digits than its factorization.

6768161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356238.

The product of its digits is 12096, while the sum is 35.

The square root of 6768161 is about 2601.5689496917. The cubic root of 6768161 is about 189.1574977497.

The spelling of 6768161 in words is "six million, seven hundred sixty-eight thousand, one hundred sixty-one".