6227949618 has 162 divisors, whose sum is σ = 15831714717. Its totient is φ = 1767839040.

The previous prime is 6227949613. The next prime is 6227949641. The reversal of 6227949618 is 8169497226.

6227949618 is a `hidden beast` number, since 622 + 7 + 9 + 4 + 9 + 6 + 1 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5567099769 + 660849849 = 74613^2 + 25707^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=55803.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6227949613) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 69976918 + ... + 69977006.

Almost surely, 2^6227949618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6227949618

6227949618 is an abundant number, since it is smaller than the sum of its proper divisors (9603765099).

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

6227949618 is a wasteful number, since it uses less digits than its factorization.

6227949618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 124 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 6227949618 is about 78917.3594211058. The cubic root of 6227949618 is about 1839.8469487141.

The spelling of 6227949618 in words is "six billion, two hundred twenty-seven million, nine hundred forty-nine thousand, six hundred eighteen".