6143681 has 8 divisors (see below), whose sum is σ = 6526944. Its totient is φ = 5762880.

The previous prime is 6143671. The next prime is 6143693. The reversal of 6143681 is 1863416.

6143681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6143681 - 2⁶ = 6143617 is a prime.

It is a super-2 number, since 2×6143681² = 75489632459522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6143651) 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, 8546 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (815868).

Almost surely, 2^6143681 is an apocalyptic number.

It is an amenable number.

6143681 is a deficient number, since it is larger than the sum of its proper divisors (383263).

6143681 is a wasteful number, since it uses less digits than its factorization.

6143681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its digits is 3456, while the sum is 29.

The square root of 6143681 is about 2478.6449927329. The cubic root of 6143681 is about 183.1511089286.

The spelling of 6143681 in words is "six million, one hundred forty-three thousand, six hundred eighty-one".