208712016 has 30 divisors (see below), whose sum is σ = 584104170. Its totient is φ = 69570624.

The previous prime is 208712011. The next prime is 208712027. The reversal of 208712016 is 610217802.

It can be written as a sum of positive squares in only one way, i.e., 166410000 + 42302016 = 12900^2 + 6504^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208712011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 724551 + ... + 724838.

It is an arithmetic number, because the mean of its divisors is an integer number (19470139).

Almost surely, 2^208712016 is an apocalyptic number.

It is an amenable number.

208712016 is an abundant number, since it is smaller than the sum of its proper divisors (375392154).

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

208712016 is a wasteful number, since it uses less digits than its factorization.

208712016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449403 (or 1449394 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 208712016 is about 14446.8687264750. The cubic root of 208712016 is about 593.1745156998.

Adding to 208712016 its reverse (610217802), we get a palindrome (818929818).

The spelling of 208712016 in words is "two hundred eight million, seven hundred twelve thousand, sixteen".