6756458161 has 4 divisors (see below), whose sum is σ = 6756783732. Its totient is φ = 6756132592.

The previous prime is 6756458129. The next prime is 6756458221. The reversal of 6756458161 is 1618546576.

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 4876368561 + 1880089600 = 69831^2 + 43360^2 .

It is a cyclic number.

It is not a de Polignac number, because 6756458161 - 2⁵ = 6756458129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6756455161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129370 + ... + 173923.

It is an arithmetic number, because the mean of its divisors is an integer number (1689195933).

Almost surely, 2^6756458161 is an apocalyptic number.

It is an amenable number.

6756458161 is a deficient number, since it is larger than the sum of its proper divisors (325571).

6756458161 is a wasteful number, since it uses less digits than its factorization.

6756458161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325570.

The product of its digits is 1209600, while the sum is 49.

The square root of 6756458161 is about 82197.6773455309. The cubic root of 6756458161 is about 1890.4841066478.

The spelling of 6756458161 in words is "six billion, seven hundred fifty-six million, four hundred fifty-eight thousand, one hundred sixty-one".