206160556160 has 64 divisors (see below), whose sum is σ = 530764337880. Its totient is φ = 76120817664.

The previous prime is 206160556157. The next prime is 206160556171. The reversal of 206160556160 is 61655061602.

It can be written as a sum of positive squares in 4 ways, for example, as 82194596416 + 123965959744 = 286696^2 + 352088^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12381137 + ... + 12397776.

Almost surely, 2^206160556160 is an apocalyptic number.

206160556160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206160556160 is an abundant number, since it is smaller than the sum of its proper divisors (324603781720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206160556160 is a wasteful number, since it uses less digits than its factorization.

206160556160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24778945 (or 24778933 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 206160556160 in words is "two hundred six billion, one hundred sixty million, five hundred fifty-six thousand, one hundred sixty".