206161275227215 has 96 divisors (see below), whose sum is σ = 330830481705984. Its totient is φ = 119782007746560.

The previous prime is 206161275227183. The next prime is 206161275227227. The reversal of 206161275227215 is 512722572161602.

It is not a de Polignac number, because 206161275227215 - 2⁵ = 206161275227183 is a prime.

It is a super-2 number, since 2×206161275227215² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2465707 + ... + 20454883.

It is an arithmetic number, because the mean of its divisors is an integer number (3446150851104).

Almost surely, 2^{206161275227215} is an apocalyptic number.

206161275227215 is a deficient number, since it is larger than the sum of its proper divisors (124669206478769).

206161275227215 is a wasteful number, since it uses less digits than its factorization.

206161275227215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17989337 (or 17989320 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 206161275227215 in words is "two hundred six trillion, one hundred sixty-one billion, two hundred seventy-five million, two hundred twenty-seven thousand, two hundred fifteen".