206007784071 has 16 divisors (see below), whose sum is σ = 288681550080. Its totient is φ = 130422188160.

The previous prime is 206007784033. The next prime is 206007784079. The reversal of 206007784071 is 170487700602.

It is not a de Polignac number, because 206007784071 - 2¹⁸ = 206007521927 is a prime.

It is a super-2 number, since 2×206007784071² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206007784079) 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, 10730050 + ... + 10749231.

It is an arithmetic number, because the mean of its divisors is an integer number (18042596880).

Almost surely, 2^206007784071 is an apocalyptic number.

206007784071 is a deficient number, since it is larger than the sum of its proper divisors (82673766009).

206007784071 is a wasteful number, since it uses less digits than its factorization.

206007784071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21479446.

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 206007784071 in words is "two hundred six billion, seven million, seven hundred eighty-four thousand, seventy-one".