205326125450163 has 16 divisors (see below), whose sum is σ = 304188001305760. Its totient is φ = 136883566679328.

The previous prime is 205326125450141. The next prime is 205326125450167. The reversal of 205326125450163 is 361054521623502.

205326125450163 is a `hidden beast` number, since 2 + 0 + 5 + 3 + 2 + 61 + 25 + 4 + 501 + 63 = 666.

It is not a de Polignac number, because 205326125450163 - 2¹³ = 205326125441971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205326125450167) 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, 7009720 + ... + 21442677.

It is an arithmetic number, because the mean of its divisors is an integer number (19011750081610).

Almost surely, 2^{205326125450163} is an apocalyptic number.

205326125450163 is a deficient number, since it is larger than the sum of its proper divisors (98861875855597).

205326125450163 is a wasteful number, since it uses less digits than its factorization.

205326125450163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28719683 (or 28719677 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 205326125450163 in words is "two hundred five trillion, three hundred twenty-six billion, one hundred twenty-five million, four hundred fifty thousand, one hundred sixty-three".