206776316742 has 16 divisors (see below), whose sum is σ = 413566467120. Its totient is φ = 68923133312.

The previous prime is 206776316641. The next prime is 206776316771. The reversal of 206776316742 is 247613677602.

206776316742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 376767 + ... + 745322.

It is an arithmetic number, because the mean of its divisors is an integer number (25847904195).

Almost surely, 2^206776316742 is an apocalyptic number.

206776316742 is an abundant number, since it is smaller than the sum of its proper divisors (206790150378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206776316742 is a wasteful number, since it uses less digits than its factorization.

206776316742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152807.

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 206776316742 in words is "two hundred six billion, seven hundred seventy-six million, three hundred sixteen thousand, seven hundred forty-two".