6758161 has 4 divisors (see below), whose sum is σ = 6940852. Its totient is φ = 6575472.

The previous prime is 6758149. The next prime is 6758179. The reversal of 6758161 is 1618576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6471936 + 286225 = 2544^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 6758161 - 2¹⁹ = 6233873 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6758111) 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, 91290 + ... + 91363.

It is an arithmetic number, because the mean of its divisors is an integer number (1735213).

Almost surely, 2^6758161 is an apocalyptic number.

It is an amenable number.

6758161 is a deficient number, since it is larger than the sum of its proper divisors (182691).

6758161 is a wasteful number, since it uses less digits than its factorization.

6758161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182690.

The product of its digits is 10080, while the sum is 34.

The square root of 6758161 is about 2599.6463220985. The cubic root of 6758161 is about 189.0642913702.

It can be divided in two parts, 675 and 8161, that added together give a square (8836 = 94²).

The spelling of 6758161 in words is "six million, seven hundred fifty-eight thousand, one hundred sixty-one".