205458016822 has 16 divisors (see below), whose sum is σ = 325887778944. Its totient is φ = 96990408000.

The previous prime is 205458016817. The next prime is 205458016843. The reversal of 205458016822 is 228610854502.

205458016822 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, 40410129 + ... + 40415212.

It is an arithmetic number, because the mean of its divisors is an integer number (20367986184).

Almost surely, 2^205458016822 is an apocalyptic number.

205458016822 is a deficient number, since it is larger than the sum of its proper divisors (120429762122).

205458016822 is a wasteful number, since it uses less digits than its factorization.

205458016822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80825415.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 205458016822 in words is "two hundred five billion, four hundred fifty-eight million, sixteen thousand, eight hundred twenty-two".