6181144 has 16 divisors (see below), whose sum is σ = 11619720. Its totient is φ = 3082560.

The previous prime is 6181141. The next prime is 6181151. The reversal of 6181144 is 4411816.

It is a super-2 number, since 2×6181144² = 76413082297472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6181141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3427 + ... + 4909.

Almost surely, 2^6181144 is an apocalyptic number.

It is an amenable number.

6181144 is a deficient number, since it is larger than the sum of its proper divisors (5438576).

6181144 is a wasteful number, since it uses less digits than its factorization.

6181144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010 (or 2006 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 6181144 is about 2486.1906604281. The cubic root of 6181144 is about 183.5226283573.

The spelling of 6181144 in words is "six million, one hundred eighty-one thousand, one hundred forty-four".