206165216056110 has 64 divisors (see below), whose sum is σ = 501924135928320. Its totient is φ = 54185923128960.

The previous prime is 206165216056109. The next prime is 206165216056117. The reversal of 206165216056110 is 11650612561602.

It is a super-2 number, since 2×206165216056110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206165216056117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8563345 + ... + 22037724.

It is an arithmetic number, because the mean of its divisors is an integer number (7842564623880).

Almost surely, 2^{206165216056110} is an apocalyptic number.

206165216056110 is an abundant number, since it is smaller than the sum of its proper divisors (295758919872210).

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

206165216056110 is a wasteful number, since it uses less digits than its factorization.

206165216056110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30604313.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 206165216056110 in words is "two hundred six trillion, one hundred sixty-five billion, two hundred sixteen million, fifty-six thousand, one hundred ten".