206392080506 has 16 divisors (see below), whose sum is σ = 336658626216. Its totient is φ = 94500665856.

The previous prime is 206392080473. The next prime is 206392080527. The reversal of 206392080506 is 605080293602.

206392080506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 184634355481 + 21757725025 = 429691^2 + 147505^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82030571 + ... + 82033086.

Almost surely, 2^206392080506 is an apocalyptic number.

206392080506 is a deficient number, since it is larger than the sum of its proper divisors (130266545710).

206392080506 is a wasteful number, since it uses less digits than its factorization.

206392080506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164063713.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 206392080506 in words is "two hundred six billion, three hundred ninety-two million, eighty thousand, five hundred six".