6426161 has 12 divisors (see below), whose sum is σ = 7754112. Its totient is φ = 5216184.

The previous prime is 6426157. The next prime is 6426163. The reversal of 6426161 is 1616246.

It is a happy number.

It is not a de Polignac number, because 6426161 - 2² = 6426157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6426161.

It is not an unprimeable number, because it can be changed into a prime (6426163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1256 + ... + 3798.

It is an arithmetic number, because the mean of its divisors is an integer number (646176).

Almost surely, 2^6426161 is an apocalyptic number.

It is an amenable number.

6426161 is a deficient number, since it is larger than the sum of its proper divisors (1327951).

6426161 is a wasteful number, since it uses less digits than its factorization.

6426161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2569 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 6426161 is about 2534.9873766944. The cubic root of 6426161 is about 185.9161856932.

The spelling of 6426161 in words is "six million, four hundred twenty-six thousand, one hundred sixty-one".