6221612161226 has 64 divisors (see below), whose sum is σ = 11658728300544. Its totient is φ = 2419110792000.

The previous prime is 6221612161199. The next prime is 6221612161231.

6221612161226 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6221612161226.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286686176 + ... + 286707876.

It is an arithmetic number, because the mean of its divisors is an integer number (182167629696).

Almost surely, 2^{6221612161226} is an apocalyptic number.

6221612161226 is a deficient number, since it is larger than the sum of its proper divisors (5437116139318).

6221612161226 is a wasteful number, since it uses less digits than its factorization.

6221612161226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25395.

The product of its digits is 41472, while the sum is 38.

The spelling of 6221612161226 in words is "six trillion, two hundred twenty-one billion, six hundred twelve million, one hundred sixty-one thousand, two hundred twenty-six".