205261016163044 has 12 divisors (see below), whose sum is σ = 359829320366124. Its totient is φ = 102452638915584.

The previous prime is 205261016162989. The next prime is 205261016163061. The reversal of 205261016163044 is 440361610162502.

It can be written as a sum of positive squares in 2 ways, for example, as 193245863664100 + 12015152498944 = 13901290^2 + 3466288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 205261016162992 and 205261016163010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44467288889 + ... + 44467293504.

It is an arithmetic number, because the mean of its divisors is an integer number (29985776697177).

Almost surely, 2^{205261016163044} is an apocalyptic number.

It is an amenable number.

205261016163044 is a deficient number, since it is larger than the sum of its proper divisors (154568304203080).

205261016163044 is a wasteful number, since it uses less digits than its factorization.

205261016163044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88934582974 (or 88934582972 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 205261016163044 in words is "two hundred five trillion, two hundred sixty-one billion, sixteen million, one hundred sixty-three thousand, forty-four".