161206211214 has 24 divisors (see below), whose sum is σ = 355006030392. Its totient is φ = 52854495120.

The previous prime is 161206211209. The next prime is 161206211233. The reversal of 161206211214 is 412112602161.

161206211214 is a `hidden beast` number, since 1 + 6 + 1 + 20 + 621 + 1 + 2 + 14 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73407924 + ... + 73410119.

It is an arithmetic number, because the mean of its divisors is an integer number (14791917933).

Almost surely, 2^161206211214 is an apocalyptic number.

161206211214 is an abundant number, since it is smaller than the sum of its proper divisors (193799819178).

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

161206211214 is a wasteful number, since it uses less digits than its factorization.

161206211214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146818112 (or 146818109 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 161206211214 its reverse (412112602161), we get a palindrome (573318813375).

The spelling of 161206211214 in words is "one hundred sixty-one billion, two hundred six million, two hundred eleven thousand, two hundred fourteen".