6165225643 has 2 divisors, whose sum is σ = 6165225644. Its totient is φ = 6165225642.

The previous prime is 6165225607. The next prime is 6165225691. The reversal of 6165225643 is 3465225616.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6165225643 - 2²⁵ = 6131671211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6165225596 and 6165225605.

It is not a weakly prime, because it can be changed into another prime (6165229643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3082612821 + 3082612822.

It is an arithmetic number, because the mean of its divisors is an integer number (3082612822).

Almost surely, 2^6165225643 is an apocalyptic number.

6165225643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6165225643 is an equidigital number, since it uses as much as digits as its factorization.

6165225643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 40.

The square root of 6165225643 is about 78518.9508526445. The cubic root of 6165225643 is about 1833.6495041891.

The spelling of 6165225643 in words is "six billion, one hundred sixty-five million, two hundred twenty-five thousand, six hundred forty-three".