205601646066141 has 64 divisors (see below), whose sum is σ = 314009375016960. Its totient is φ = 118613250720000.

The previous prime is 205601646066097. The next prime is 205601646066191. The reversal of 205601646066141 is 141660646106502.

It is not a de Polignac number, because 205601646066141 - 2³⁵ = 205567286327773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205601646066191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136283686 + ... + 137784056.

It is an arithmetic number, because the mean of its divisors is an integer number (4906396484640).

Almost surely, 2^{205601646066141} is an apocalyptic number.

It is an amenable number.

205601646066141 is a deficient number, since it is larger than the sum of its proper divisors (108407728950819).

205601646066141 is a wasteful number, since it uses less digits than its factorization.

205601646066141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502338.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 205601646066141 in words is "two hundred five trillion, six hundred one billion, six hundred forty-six million, sixty-six thousand, one hundred forty-one".