2220000161606 has 8 divisors (see below), whose sum is σ = 3392830435824. Its totient is φ = 1089056683000.

The previous prime is 2220000161563. The next prime is 2220000161629. The reversal of 2220000161606 is 6061610000222.

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

It is a super-2 number, since 2×2220000161606² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10471698770 + ... + 10471698981.

It is an arithmetic number, because the mean of its divisors is an integer number (424103804478).

Almost surely, 2^{2220000161606} is an apocalyptic number.

2220000161606 is a deficient number, since it is larger than the sum of its proper divisors (1172830274218).

2220000161606 is a wasteful number, since it uses less digits than its factorization.

2220000161606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20943397806.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 2220000161606 its reverse (6061610000222), we get a palindrome (8281610161828).

The spelling of 2220000161606 in words is "two trillion, two hundred twenty billion, one hundred sixty-one thousand, six hundred six".