206716660151 has 2 divisors, whose sum is σ = 206716660152. Its totient is φ = 206716660150.

The previous prime is 206716660141. The next prime is 206716660159. The reversal of 206716660151 is 151066617602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206716660151 - 2²² = 206712465847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206716660099 and 206716660108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206716660159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103358330075 + 103358330076.

It is an arithmetic number, because the mean of its divisors is an integer number (103358330076).

Almost surely, 2^206716660151 is an apocalyptic number.

206716660151 is a deficient number, since it is larger than the sum of its proper divisors (1).

206716660151 is an equidigital number, since it uses as much as digits as its factorization.

206716660151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 206716660151 in words is "two hundred six billion, seven hundred sixteen million, six hundred sixty thousand, one hundred fifty-one".