6536161 has 8 divisors (see below), whose sum is σ = 6749864. Its totient is φ = 6324480.

The previous prime is 6536141. The next prime is 6536191. The reversal of 6536161 is 1616356.

It can be written as a sum of positive squares in 4 ways, for example, as 5035536 + 1500625 = 2244^2 + 1225^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6536161 - 2¹⁷ = 6405089 is a prime.

It is a Duffinian number.

6536161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6536111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8551 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (843733).

Almost surely, 2^6536161 is an apocalyptic number.

It is an amenable number.

6536161 is a deficient number, since it is larger than the sum of its proper divisors (213703).

6536161 is a wasteful number, since it uses less digits than its factorization.

6536161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its digits is 3240, while the sum is 28.

The square root of 6536161 is about 2556.5916764317. The cubic root of 6536161 is about 186.9709983907.

The spelling of 6536161 in words is "six million, five hundred thirty-six thousand, one hundred sixty-one".