208852656016 has 45 divisors (see below), whose sum is σ = 414437361681. Its totient is φ = 101959420416.

The previous prime is 208852656011. The next prime is 208852656029. The reversal of 208852656016 is 610656258802.

The square root of 208852656016 is 457004.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 136116723600 + 72735932416 = 368940^2 + 269696^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208852656011) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 78603360 + ... + 78606016.

Almost surely, 2^208852656016 is an apocalyptic number.

208852656016 is the 457004-th square number.

It is an amenable number.

208852656016 is a deficient number, since it is larger than the sum of its proper divisors (205584705665).

208852656016 is an frugal number, since it uses more digits than its factorization.

208852656016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

Multiplying 208852656016 by its sum of digits (49), we get a square (10233780144784 = 3199028²).

The spelling of 208852656016 in words is "two hundred eight billion, eight hundred fifty-two million, six hundred fifty-six thousand, sixteen".