6221165063 has 8 divisors (see below), whose sum is σ = 6232960800. Its totient is φ = 6209382688.

The previous prime is 6221165039. The next prime is 6221165099. The reversal of 6221165063 is 3605611226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6221165063 - 2²⁶ = 6154056199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221164063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460645 + ... + 1464897.

It is an arithmetic number, because the mean of its divisors is an integer number (779120100).

Almost surely, 2^6221165063 is an apocalyptic number.

6221165063 is a deficient number, since it is larger than the sum of its proper divisors (11795737).

6221165063 is a wasteful number, since it uses less digits than its factorization.

6221165063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6681.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6221165063 is about 78874.3625204033. The cubic root of 6221165063 is about 1839.1786132780.

Adding to 6221165063 its reverse (3605611226), we get a palindrome (9826776289).

The spelling of 6221165063 in words is "six billion, two hundred twenty-one million, one hundred sixty-five thousand, sixty-three".