208545812016 has 40 divisors (see below), whose sum is σ = 542985437184. Its totient is φ = 68967904320.

The previous prime is 208545811993. The next prime is 208545812023. The reversal of 208545812016 is 610218545802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17099040 + ... + 17111231.

Almost surely, 2^208545812016 is an apocalyptic number.

It is an amenable number.

208545812016 is an abundant number, since it is smaller than the sum of its proper divisors (334439625168).

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

208545812016 is a wasteful number, since it uses less digits than its factorization.

208545812016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34210409 (or 34210403 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 208545812016 in words is "two hundred eight billion, five hundred forty-five million, eight hundred twelve thousand, sixteen".