6220161306 has 24 divisors (see below), whose sum is σ = 13489759764. Its totient is φ = 2071426560.

The previous prime is 6220161289. The next prime is 6220161307. The reversal of 6220161306 is 6031610226.

6220161306 is a `hidden beast` number, since 622 + 0 + 1 + 6 + 1 + 30 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5293872081 + 926289225 = 72759^2 + 30435^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6220161306.

It is not an unprimeable number, because it can be changed into a prime (6220161307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143751 + ... + 181946.

Almost surely, 2^6220161306 is an apocalyptic number.

6220161306 is an abundant number, since it is smaller than the sum of its proper divisors (7269598458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6220161306 is a wasteful number, since it uses less digits than its factorization.

6220161306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326766 (or 326763 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6220161306 is about 78867.9992519146. Note that the first 3 decimals coincide. The cubic root of 6220161306 is about 1839.0796935588.

The spelling of 6220161306 in words is "six billion, two hundred twenty million, one hundred sixty-one thousand, three hundred six".