208061857732 has 12 divisors (see below), whose sum is σ = 364122346896. Its totient is φ = 104026901480.

The previous prime is 208061857727. The next prime is 208061857777. The reversal of 208061857732 is 237758160802.

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, 889078 + ... + 1098445.

It is an arithmetic number, because the mean of its divisors is an integer number (30343528908).

Almost surely, 2^208061857732 is an apocalyptic number.

It is an amenable number.

208061857732 is a deficient number, since it is larger than the sum of its proper divisors (156060489164).

208061857732 is a wasteful number, since it uses less digits than its factorization.

208061857732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013698 (or 2013696 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 208061857732 in words is "two hundred eight billion, sixty-one million, eight hundred fifty-seven thousand, seven hundred thirty-two".