6340161 has 8 divisors (see below), whose sum is σ = 8465184. Its totient is φ = 4220960.

The previous prime is 6340127. The next prime is 6340189. The reversal of 6340161 is 1610436.

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 6340161 - 2¹¹ = 6338113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6340261) 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, 3541 + ... + 5021.

It is an arithmetic number, because the mean of its divisors is an integer number (1058148).

Almost surely, 2^6340161 is an apocalyptic number.

It is an amenable number.

6340161 is a deficient number, since it is larger than the sum of its proper divisors (2125023).

6340161 is a wasteful number, since it uses less digits than its factorization.

6340161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 6340161 is about 2517.9676328341. The cubic root of 6340161 is about 185.0830987770.

Adding to 6340161 its reverse (1610436), we get a palindrome (7950597).

The spelling of 6340161 in words is "six million, three hundred forty thousand, one hundred sixty-one".