206343503372 has 18 divisors (see below), whose sum is σ = 381106736388. Its totient is φ = 97741658808.

The previous prime is 206343503369. The next prime is 206343503389. The reversal of 206343503372 is 273305343602.

206343503372 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71447138 + ... + 71450025.

It is an arithmetic number, because the mean of its divisors is an integer number (21172596466).

Almost surely, 2^206343503372 is an apocalyptic number.

It is an amenable number.

206343503372 is a deficient number, since it is larger than the sum of its proper divisors (174763233016).

206343503372 is a wasteful number, since it uses less digits than its factorization.

206343503372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142897205 (or 142897184 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 38.

Adding to 206343503372 its reverse (273305343602), we get a palindrome (479648846974).

The spelling of 206343503372 in words is "two hundred six billion, three hundred forty-three million, five hundred three thousand, three hundred seventy-two".