206266606044601 has 4 divisors (see below), whose sum is σ = 215234719350912. Its totient is φ = 197298492738292.

The previous prime is 206266606044599. The next prime is 206266606044649. The reversal of 206266606044601 is 106440606662602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206266606044601 - 2¹ = 206266606044599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206266601044601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4484056653121 + ... + 4484056653166.

It is an arithmetic number, because the mean of its divisors is an integer number (53808679837728).

Almost surely, 2^{206266606044601} is an apocalyptic number.

It is an amenable number.

206266606044601 is a deficient number, since it is larger than the sum of its proper divisors (8968113306311).

206266606044601 is an equidigital number, since it uses as much as digits as its factorization.

206266606044601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968113306310.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 206266606044601 in words is "two hundred six trillion, two hundred sixty-six billion, six hundred six million, forty-four thousand, six hundred one".