13608163208 has 8 divisors (see below), whose sum is σ = 25515306030. Its totient is φ = 6804081600.

The previous prime is 13608163183. The next prime is 13608163229. The reversal of 13608163208 is 80236180631.

It can be written as a sum of positive squares in only one way, i.e., 8117649604 + 5490513604 = 90098^2 + 74098^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850510193 + ... + 850510208.

Almost surely, 2^13608163208 is an apocalyptic number.

It is an amenable number.

13608163208 is a deficient number, since it is larger than the sum of its proper divisors (11907142822).

13608163208 is a wasteful number, since it uses less digits than its factorization.

13608163208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701020407 (or 1701020403 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 13608163208 in words is "thirteen billion, six hundred eight million, one hundred sixty-three thousand, two hundred eight".