6221117161 has 8 divisors (see below), whose sum is σ = 7484050880. Its totient is φ = 5051734128.

The previous prime is 6221117131. The next prime is 6221117179. The reversal of 6221117161 is 1617111226.

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

It is not a de Polignac number, because 6221117161 - 2¹¹ = 6221115113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6221117131) 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, 23387526 + ... + 23387791.

It is an arithmetic number, because the mean of its divisors is an integer number (935506360).

Almost surely, 2^6221117161 is an apocalyptic number.

It is an amenable number.

6221117161 is a deficient number, since it is larger than the sum of its proper divisors (1262933719).

6221117161 is a wasteful number, since it uses less digits than its factorization.

6221117161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46775343.

The product of its digits is 1008, while the sum is 28.

The square root of 6221117161 is about 78874.0588596783. The cubic root of 6221117161 is about 1839.1738928031.

Adding to 6221117161 its reverse (1617111226), we get a palindrome (7838228387).

The spelling of 6221117161 in words is "six billion, two hundred twenty-one million, one hundred seventeen thousand, one hundred sixty-one".