206623255245 has 32 divisors (see below), whose sum is σ = 360697950720. Its totient is φ = 100168069440.

The previous prime is 206623255243. The next prime is 206623255277. The reversal of 206623255245 is 542552326602.

It is a happy number.

206623255245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206623255245 - 2¹ = 206623255243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206623255197 and 206623255206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206623255243) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1272982 + ... + 1426088.

It is an arithmetic number, because the mean of its divisors is an integer number (11271810960).

Almost surely, 2^206623255245 is an apocalyptic number.

It is an amenable number.

206623255245 is a deficient number, since it is larger than the sum of its proper divisors (154074695475).

206623255245 is a wasteful number, since it uses less digits than its factorization.

206623255245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161305.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 206623255245 in words is "two hundred six billion, six hundred twenty-three million, two hundred fifty-five thousand, two hundred forty-five".