206116242045 has 64 divisors (see below), whose sum is σ = 386898616320. Its totient is φ = 91757173248.

The previous prime is 206116242041. The next prime is 206116242083. The reversal of 206116242045 is 540242611602.

It is not a de Polignac number, because 206116242045 - 2² = 206116242041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206116241997 and 206116242015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206116242041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 435342 + ... + 775728.

It is an arithmetic number, because the mean of its divisors is an integer number (6045290880).

Almost surely, 2^206116242045 is an apocalyptic number.

It is an amenable number.

206116242045 is a deficient number, since it is larger than the sum of its proper divisors (180782374275).

206116242045 is a wasteful number, since it uses less digits than its factorization.

206116242045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340554.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 206116242045 its reverse (540242611602), we get a palindrome (746358853647).

The spelling of 206116242045 in words is "two hundred six billion, one hundred sixteen million, two hundred forty-two thousand, forty-five".