206747326637711 has 16 divisors (see below), whose sum is σ = 217517796547968. Its totient is φ = 196249802054400.

The previous prime is 206747326637699. The next prime is 206747326637773. The reversal of 206747326637711 is 117736623747602.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206747326637711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206747326637791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87876266 + ... + 90198296.

It is an arithmetic number, because the mean of its divisors is an integer number (13594862284248).

Almost surely, 2^{206747326637711} is an apocalyptic number.

206747326637711 is a deficient number, since it is larger than the sum of its proper divisors (10770469910257).

206747326637711 is a wasteful number, since it uses less digits than its factorization.

206747326637711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380802.

The product of its (nonzero) digits is 74680704, while the sum is 62.

The spelling of 206747326637711 in words is "two hundred six trillion, seven hundred forty-seven billion, three hundred twenty-six million, six hundred thirty-seven thousand, seven hundred eleven".