206244004164266 has 16 divisors (see below), whose sum is σ = 310620863052288. Its totient is φ = 102703994139600.

The previous prime is 206244004164127. The next prime is 206244004164271. The reversal of 206244004164266 is 662461400442602.

It is a super-2 number, since 2×206244004164266² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206244004164266.

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, 67927730 + ... + 70898973.

It is an arithmetic number, because the mean of its divisors is an integer number (19413803940768).

Almost surely, 2^{206244004164266} is an apocalyptic number.

206244004164266 is a deficient number, since it is larger than the sum of its proper divisors (104376858888022).

206244004164266 is a wasteful number, since it uses less digits than its factorization.

206244004164266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138829717.

The product of its (nonzero) digits is 2654208, while the sum is 47.

The spelling of 206244004164266 in words is "two hundred six trillion, two hundred forty-four billion, four million, one hundred sixty-four thousand, two hundred sixty-six".