208641084128 has 24 divisors (see below), whose sum is σ = 410773910400. Its totient is φ = 104317551360.

The previous prime is 208641084107. The next prime is 208641084131. The reversal of 208641084128 is 821480146802.

208641084128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×208641084128² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1414508 + ... + 1555028.

It is an arithmetic number, because the mean of its divisors is an integer number (17115579600).

Almost surely, 2^208641084128 is an apocalyptic number.

It is an amenable number.

208641084128 is a deficient number, since it is larger than the sum of its proper divisors (202132826272).

208641084128 is a wasteful number, since it uses less digits than its factorization.

208641084128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186930 (or 186922 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The spelling of 208641084128 in words is "two hundred eight billion, six hundred forty-one million, eighty-four thousand, one hundred twenty-eight".