206105021162 has 16 divisors (see below), whose sum is σ = 313530004800. Its totient is φ = 101595187680.

The previous prime is 206105021153. The next prime is 206105021173. The reversal of 206105021162 is 261120501602.

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, 3424889 + ... + 3484547.

It is an arithmetic number, because the mean of its divisors is an integer number (19595625300).

Almost surely, 2^206105021162 is an apocalyptic number.

206105021162 is a deficient number, since it is larger than the sum of its proper divisors (107424983638).

206105021162 is a wasteful number, since it uses less digits than its factorization.

206105021162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84061.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 206105021162 its reverse (261120501602), we get a palindrome (467225522764).

The spelling of 206105021162 in words is "two hundred six billion, one hundred five million, twenty-one thousand, one hundred sixty-two".