206773011196816 has 15 divisors (see below), whose sum is σ = 400622820635793. Its totient is φ = 103386476839200.

The previous prime is 206773011196789. The next prime is 206773011196861. The reversal of 206773011196816 is 618691110377602.

It is a happy number.

The square root of 206773011196816 is 14379604.

It is a perfect power (a square), and thus also a powerful number.

206773011196816 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 only one way, i.e., 201560374262416 + 5212636934400 = 14197196^2 + 2283120^2 .

It is a super-3 number, since 3×206773011196816³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 55720966 + ... + 59315866.

Almost surely, 2^{206773011196816} is an apocalyptic number.

206773011196816 is the 14379604-th square number.

It is an amenable number.

206773011196816 is a deficient number, since it is larger than the sum of its proper divisors (193849809438977).

206773011196816 is an frugal number, since it uses more digits than its factorization.

206773011196816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7189810 (or 3594903 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 206773011196816 in words is "two hundred six trillion, seven hundred seventy-three billion, eleven million, one hundred ninety-six thousand, eight hundred sixteen".