206076280065 has 16 divisors (see below), whose sum is σ = 329761368000. Its totient is φ = 109894242752.

The previous prime is 206076280063. The next prime is 206076280079. The reversal of 206076280065 is 560082670602.

It is a cyclic number.

It is not a de Polignac number, because 206076280065 - 2¹ = 206076280063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206076279999 and 206076280026.

It is not an unprimeable number, because it can be changed into a prime (206076280061) 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, 688515 + ... + 941384.

It is an arithmetic number, because the mean of its divisors is an integer number (20610085500).

Almost surely, 2^206076280065 is an apocalyptic number.

It is an amenable number.

206076280065 is a deficient number, since it is larger than the sum of its proper divisors (123685087935).

206076280065 is a wasteful number, since it uses less digits than its factorization.

206076280065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638336.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 206076280065 in words is "two hundred six billion, seventy-six million, two hundred eighty thousand, sixty-five".