208066716 has 108 divisors (see below), whose sum is σ = 621489960. Its totient is φ = 58181760.

The previous prime is 208066709. The next prime is 208066751. The reversal of 208066716 is 617660802.

It is a happy number.

208066716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65370 + ... + 68478.

Almost surely, 2^208066716 is an apocalyptic number.

208066716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208066716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310744980).

208066716 is an abundant number, since it is smaller than the sum of its proper divisors (413423244).

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

208066716 is a wasteful number, since it uses less digits than its factorization.

208066716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 208066716 is about 14424.5178775583. The cubic root of 208066716 is about 592.5625549506.

The spelling of 208066716 in words is "two hundred eight million, sixty-six thousand, seven hundred sixteen".