221411703164206 has 16 divisors (see below), whose sum is σ = 332993875544064. Its totient is φ = 110413760575864.

The previous prime is 221411703164159. The next prime is 221411703164233. The reversal of 221411703164206 is 602461307114122.

It is a super-2 number, since 2×221411703164206² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23970561 + ... + 31896883.

It is an arithmetic number, because the mean of its divisors is an integer number (20812117221504).

Almost surely, 2^{221411703164206} is an apocalyptic number.

221411703164206 is a deficient number, since it is larger than the sum of its proper divisors (111582172379858).

221411703164206 is a wasteful number, since it uses less digits than its factorization.

221411703164206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963175.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 221411703164206 in words is "two hundred twenty-one trillion, four hundred eleven billion, seven hundred three million, one hundred sixty-four thousand, two hundred six".