208188832628 has 12 divisors (see below), whose sum is σ = 416377665312. Its totient is φ = 89223785400.

The previous prime is 208188832613. The next prime is 208188832633. The reversal of 208188832628 is 826238881802.

208188832628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

208188832628 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3717657698 + ... + 3717657753.

It is an arithmetic number, because the mean of its divisors is an integer number (34698138776).

Almost surely, 2^208188832628 is an apocalyptic number.

208188832628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

208188832628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

208188832628 is a wasteful number, since it uses less digits than its factorization.

208188832628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7435315462 (or 7435315460 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 56.

The spelling of 208188832628 in words is "two hundred eight billion, one hundred eighty-eight million, eight hundred thirty-two thousand, six hundred twenty-eight".