206799724468 has 12 divisors (see below), whose sum is σ = 361903608612. Its totient is φ = 103398693440.

The previous prime is 206799724457. The next prime is 206799724471. The reversal of 206799724468 is 864427997602.

206799724468 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 2 ways, for example, as 134697808144 + 72101916324 = 367012^2 + 268518^2 .

It is a super-2 number, since 2×206799724468² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 196848 + ... + 672568.

It is an arithmetic number, because the mean of its divisors is an integer number (30158634051).

Almost surely, 2^206799724468 is an apocalyptic number.

It is an amenable number.

206799724468 is a deficient number, since it is larger than the sum of its proper divisors (155103884144).

206799724468 is a wasteful number, since it uses less digits than its factorization.

206799724468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584402 (or 584400 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 206799724468 in words is "two hundred six billion, seven hundred ninety-nine million, seven hundred twenty-four thousand, four hundred sixty-eight".