6131868 has 12 divisors (see below), whose sum is σ = 14307720. Its totient is φ = 2043952.

The previous prime is 6131863. The next prime is 6131887. The reversal of 6131868 is 8681316.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6131863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255483 + ... + 255506.

It is an arithmetic number, because the mean of its divisors is an integer number (1192310).

Almost surely, 2^6131868 is an apocalyptic number.

It is an amenable number.

6131868 is an abundant number, since it is smaller than the sum of its proper divisors (8175852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6131868 is a wasteful number, since it uses less digits than its factorization.

6131868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510996 (or 510994 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 6131868 is about 2476.2608909402. The cubic root of 6131868 is about 183.0336466545.

The spelling of 6131868 in words is "six million, one hundred thirty-one thousand, eight hundred sixty-eight".