205264284159 has 16 divisors (see below), whose sum is σ = 299468260224. Its totient is φ = 124026751200.

The previous prime is 205264284149. The next prime is 205264284161. The reversal of 205264284159 is 951482462502.

It is not a de Polignac number, because 205264284159 - 2⁹ = 205264283647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205264284149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9385044 + ... + 9406889.

It is an arithmetic number, because the mean of its divisors is an integer number (18716766264).

Almost surely, 2^205264284159 is an apocalyptic number.

205264284159 is a deficient number, since it is larger than the sum of its proper divisors (94203976065).

205264284159 is a wasteful number, since it uses less digits than its factorization.

205264284159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18792278.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 205264284159 in words is "two hundred five billion, two hundred sixty-four million, two hundred eighty-four thousand, one hundred fifty-nine".