208064486616 has 256 divisors, whose sum is σ = 648103680000. Its totient is φ = 54305095680.

The previous prime is 208064486551. The next prime is 208064486627. The reversal of 208064486616 is 616684460802.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 23297640 + ... + 23306568.

It is an arithmetic number, because the mean of its divisors is an integer number (2531655000).

Almost surely, 2^208064486616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208064486616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324051840000).

208064486616 is an abundant number, since it is smaller than the sum of its proper divisors (440039193384).

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

208064486616 is a wasteful number, since it uses less digits than its factorization.

208064486616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9202 (or 9198 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 208064486616 in words is "two hundred eight billion, sixty-four million, four hundred eighty-six thousand, six hundred sixteen".