206497835063 has 16 divisors (see below), whose sum is σ = 224510662656. Its totient is φ = 188789858400.

The previous prime is 206497835039. The next prime is 206497835069. The reversal of 206497835063 is 360538794602.

It is a happy number.

It is not a de Polignac number, because 206497835063 - 2²⁰ = 206496786487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206497834996 and 206497835014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206497835069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7429370 + ... + 7457112.

It is an arithmetic number, because the mean of its divisors is an integer number (14031916416).

Almost surely, 2^206497835063 is an apocalyptic number.

206497835063 is a deficient number, since it is larger than the sum of its proper divisors (18012827593).

206497835063 is a wasteful number, since it uses less digits than its factorization.

206497835063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33214.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 206497835063 in words is "two hundred six billion, four hundred ninety-seven million, eight hundred thirty-five thousand, sixty-three".