208116037641 has 8 divisors (see below), whose sum is σ = 279190431520. Its totient is φ = 137892834432.

The previous prime is 208116037631. The next prime is 208116037643. The reversal of 208116037641 is 146730611802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 208116037641 - 2⁷ = 208116037513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208116037641.

It is not an unprimeable number, because it can be changed into a prime (208116037643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212797096 + ... + 212798073.

It is an arithmetic number, because the mean of its divisors is an integer number (34898803940).

Almost surely, 2^208116037641 is an apocalyptic number.

It is an amenable number.

208116037641 is a deficient number, since it is larger than the sum of its proper divisors (71074393879).

208116037641 is a wasteful number, since it uses less digits than its factorization.

208116037641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425595335.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 208116037641 in words is "two hundred eight billion, one hundred sixteen million, thirty-seven thousand, six hundred forty-one".