205655182586030 has 16 divisors (see below), whose sum is σ = 370182421536624. Its totient is φ = 82261385727360.

The previous prime is 205655182585997. The next prime is 205655182586041. The reversal of 205655182586030 is 30685281556502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84655787 + ... + 87051206.

It is an arithmetic number, because the mean of its divisors is an integer number (23136401346039).

Almost surely, 2^{205655182586030} is an apocalyptic number.

205655182586030 is a deficient number, since it is larger than the sum of its proper divisors (164527238950594).

205655182586030 is a wasteful number, since it uses less digits than its factorization.

205655182586030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171826771.

The product of its (nonzero) digits is 17280000, while the sum is 56.

The spelling of 205655182586030 in words is "two hundred five trillion, six hundred fifty-five billion, one hundred eighty-two million, five hundred eighty-six thousand, thirty".