206104155710756 has 24 divisors (see below), whose sum is σ = 366766644166776. Its totient is φ = 101315267032320.

The previous prime is 206104155710683. The next prime is 206104155710801. The reversal of 206104155710756 is 657017551401602.

It can be written as a sum of positive squares in 4 ways, for example, as 53235264062500 + 152868891648256 = 7296250^2 + 12364016^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197112911 + ... + 198155766.

It is an arithmetic number, because the mean of its divisors is an integer number (15281943506949).

Almost surely, 2^{206104155710756} is an apocalyptic number.

It is an amenable number.

206104155710756 is a deficient number, since it is larger than the sum of its proper divisors (160662488456020).

206104155710756 is a wasteful number, since it uses less digits than its factorization.

206104155710756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395270879 (or 395270877 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 50.

The spelling of 206104155710756 in words is "two hundred six trillion, one hundred four billion, one hundred fifty-five million, seven hundred ten thousand, seven hundred fifty-six".