6221790169 has 16 divisors (see below), whose sum is σ = 7579440000. Its totient is φ = 4985558784.

The previous prime is 6221790163. The next prime is 6221790187. The reversal of 6221790169 is 9610971226.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6221790169 - 2⁷ = 6221790041 is a prime.

It is a super-2 number, since 2×6221790169² = 77421345814130097122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6221790163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157719 + ... + 193180.

It is an arithmetic number, because the mean of its divisors is an integer number (473715000).

Almost surely, 2^6221790169 is an apocalyptic number.

It is an amenable number.

6221790169 is a deficient number, since it is larger than the sum of its proper divisors (1357649831).

6221790169 is a wasteful number, since it uses less digits than its factorization.

6221790169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351072.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 6221790169 is about 78878.3250899764. The cubic root of 6221790169 is about 1839.2402117658.

The spelling of 6221790169 in words is "six billion, two hundred twenty-one million, seven hundred ninety thousand, one hundred sixty-nine".