6141855816 has 48 divisors (see below), whose sum is σ = 16948056060. Its totient is φ = 2008656000.

The previous prime is 6141855779. The next prime is 6141855817. The reversal of 6141855816 is 6185581416.

6141855816 is a `hidden beast` number, since 61 + 4 + 1 + 8 + 5 + 581 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5976836100 + 165019716 = 77310^2 + 12846^2 .

It is not an unprimeable number, because it can be changed into a prime (6141855817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 800935 + ... + 808566.

Almost surely, 2^6141855816 is an apocalyptic number.

It is an amenable number.

6141855816 is an abundant number, since it is smaller than the sum of its proper divisors (10806200244).

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

6141855816 is a wasteful number, since it uses less digits than its factorization.

6141855816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609566 (or 1609559 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 6141855816 is about 78369.9930840880. The cubic root of 6141855816 is about 1831.3297009719.

The spelling of 6141855816 in words is "six billion, one hundred forty-one million, eight hundred fifty-five thousand, eight hundred sixteen".